Home / 7,151,971.59-9,869,652.24-3,888,787.47

Finding the Fourth Proportional to 7,151,971.59, 9,869,652.24 and 3,888,787.47

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Solution

The fourth proportional to 7,151,971.59, 9,869,652.24 and 3,888,787.47 is: 5,366,489.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151,971.59 : 9,869,652.24 = 3,888,787.47 : x
  2. Step 2: Convert to fraction form
    7,151,971.59/9,869,652.24 = 3,888,787.47/x
  3. Step 3: Cross multiply
    7,151,971.59x = 9,869,652.24 × 3,888,787.47
  4. Step 4: Simplify right side
    7,151,971.59x = 38,380,979,914,821.17
  5. Step 5: Solve for x
    x = 38,380,979,914,821.17/7,151,971.59
  6. Step 6: Final answer
    x = 5,366,489.43

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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.