Home / 28,547,356.56-39,395,253.69-15,494,614.80

Finding the Fourth Proportional to 28,547,356.56, 39,395,253.69 and 15,494,614.80

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Solution

The fourth proportional to 28,547,356.56, 39,395,253.69 and 15,494,614.80 is: 21,382,515.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,547,356.56 : 39,395,253.69 = 15,494,614.80 : x
  2. Step 2: Convert to fraction form
    28,547,356.56/39,395,253.69 = 15,494,614.80/x
  3. Step 3: Cross multiply
    28,547,356.56x = 39,395,253.69 × 15,494,614.80
  4. Step 4: Simplify right side
    28,547,356.56x = 610,414,280,874,828.62
  5. Step 5: Solve for x
    x = 610,414,280,874,828.62/28,547,356.56
  6. Step 6: Final answer
    x = 21,382,515.04

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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.