Home / 28,547,891.28-39,395,034.18-15,494,869.26

Finding the Fourth Proportional to 28,547,891.28, 39,395,034.18 and 15,494,869.26

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Solution

The fourth proportional to 28,547,891.28, 39,395,034.18 and 15,494,869.26 is: 21,382,346.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,547,891.28 : 39,395,034.18 = 15,494,869.26 : x
  2. Step 2: Convert to fraction form
    28,547,891.28/39,395,034.18 = 15,494,869.26/x
  3. Step 3: Cross multiply
    28,547,891.28x = 39,395,034.18 × 15,494,869.26
  4. Step 4: Simplify right side
    28,547,891.28x = 610,420,904,112,331.25
  5. Step 5: Solve for x
    x = 610,420,904,112,331.25/28,547,891.28
  6. Step 6: Final answer
    x = 21,382,346.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.