Home / 7,458,287.10-11,187,430.65-2,666,132.70

Finding the Fourth Proportional to 7,458,287.10, 11,187,430.65 and 2,666,132.70

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Solution

The fourth proportional to 7,458,287.10, 11,187,430.65 and 2,666,132.70 is: 3,999,199.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458,287.10 : 11,187,430.65 = 2,666,132.70 : x
  2. Step 2: Convert to fraction form
    7,458,287.10/11,187,430.65 = 2,666,132.70/x
  3. Step 3: Cross multiply
    7,458,287.10x = 11,187,430.65 × 2,666,132.70
  4. Step 4: Simplify right side
    7,458,287.10x = 29,827,174,684,947.26
  5. Step 5: Solve for x
    x = 29,827,174,684,947.26/7,458,287.10
  6. Step 6: Final answer
    x = 3,999,199.05

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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.