Home / 13,036,999.20-19,555,498.80-9,677,767.20

Finding the Fourth Proportional to 13,036,999.20, 19,555,498.80 and 9,677,767.20

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Solution

The fourth proportional to 13,036,999.20, 19,555,498.80 and 9,677,767.20 is: 14,516,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,036,999.20 : 19,555,498.80 = 9,677,767.20 : x
  2. Step 2: Convert to fraction form
    13,036,999.20/19,555,498.80 = 9,677,767.20/x
  3. Step 3: Cross multiply
    13,036,999.20x = 19,555,498.80 × 9,677,767.20
  4. Step 4: Simplify right side
    13,036,999.20x = 189,253,564,866,279.34
  5. Step 5: Solve for x
    x = 189,253,564,866,279.34/13,036,999.20
  6. Step 6: Final answer
    x = 14,516,650.80

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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.