Home / 26,208,010.70-39,312,016.06-18,555,260.30

Finding the Fourth Proportional to 26,208,010.70, 39,312,016.06 and 18,555,260.30

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Solution

The fourth proportional to 26,208,010.70, 39,312,016.06 and 18,555,260.30 is: 27,832,890.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,208,010.70 : 39,312,016.06 = 18,555,260.30 : x
  2. Step 2: Convert to fraction form
    26,208,010.70/39,312,016.06 = 18,555,260.30/x
  3. Step 3: Cross multiply
    26,208,010.70x = 39,312,016.06 × 18,555,260.30
  4. Step 4: Simplify right side
    26,208,010.70x = 729,444,690,911,080.50
  5. Step 5: Solve for x
    x = 729,444,690,911,080.50/26,208,010.70
  6. Step 6: Final answer
    x = 27,832,890.46

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Double scale
Find fourth proportional to 26,208,011.70, 39,312,017.56 and 18,555,261.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.