Home / 19,181,753.70-28,725,391.35-9,072,564.90

Finding the Fourth Proportional to 19,181,753.70, 28,725,391.35 and 9,072,564.90

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Solution

The fourth proportional to 19,181,753.70, 28,725,391.35 and 9,072,564.90 is: 13,586,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,181,753.70 : 28,725,391.35 = 9,072,564.90 : x
  2. Step 2: Convert to fraction form
    19,181,753.70/28,725,391.35 = 9,072,564.90/x
  3. Step 3: Cross multiply
    19,181,753.70x = 28,725,391.35 × 9,072,564.90
  4. Step 4: Simplify right side
    19,181,753.70x = 260,612,977,300,773.62
  5. Step 5: Solve for x
    x = 260,612,977,300,773.62/19,181,753.70
  6. Step 6: Final answer
    x = 13,586,504.20

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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.