Home / 38,564,765.88-57,816,711.87-19,120,585.32

Finding the Fourth Proportional to 38,564,765.88, 57,816,711.87 and 19,120,585.32

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Solution

The fourth proportional to 38,564,765.88, 57,816,711.87 and 19,120,585.32 is: 28,665,787.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,564,765.88 : 57,816,711.87 = 19,120,585.32 : x
  2. Step 2: Convert to fraction form
    38,564,765.88/57,816,711.87 = 19,120,585.32/x
  3. Step 3: Cross multiply
    38,564,765.88x = 57,816,711.87 × 19,120,585.32
  4. Step 4: Simplify right side
    38,564,765.88x = 1,105,489,372,232,191.75
  5. Step 5: Solve for x
    x = 1,105,489,372,232,191.75/38,564,765.88
  6. Step 6: Final answer
    x = 28,665,787.20

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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.