Home / 42,755,080.26-64,132,642.26-10,406,988.30

Finding the Fourth Proportional to 42,755,080.26, 64,132,642.26 and 10,406,988.30

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Solution

The fourth proportional to 42,755,080.26, 64,132,642.26 and 10,406,988.30 is: 15,610,487.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,755,080.26 : 64,132,642.26 = 10,406,988.30 : x
  2. Step 2: Convert to fraction form
    42,755,080.26/64,132,642.26 = 10,406,988.30/x
  3. Step 3: Cross multiply
    42,755,080.26x = 64,132,642.26 × 10,406,988.30
  4. Step 4: Simplify right side
    42,755,080.26x = 667,427,657,647,905.62
  5. Step 5: Solve for x
    x = 667,427,657,647,905.62/42,755,080.26
  6. Step 6: Final answer
    x = 15,610,487.77

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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.