Home / 28,969,034.04-39,977,318.52-15,916,179.60

Finding the Fourth Proportional to 28,969,034.04, 39,977,318.52 and 15,916,179.60

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Solution

The fourth proportional to 28,969,034.04, 39,977,318.52 and 15,916,179.60 is: 21,964,356.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969,034.04 : 39,977,318.52 = 15,916,179.60 : x
  2. Step 2: Convert to fraction form
    28,969,034.04/39,977,318.52 = 15,916,179.60/x
  3. Step 3: Cross multiply
    28,969,034.04x = 39,977,318.52 × 15,916,179.60
  4. Step 4: Simplify right side
    28,969,034.04x = 636,286,181,490,726.25
  5. Step 5: Solve for x
    x = 636,286,181,490,726.25/28,969,034.04
  6. Step 6: Final answer
    x = 21,964,356.17

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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.