Home / 52,695,624-72,719,961.12-28,578,376

Finding the Fourth Proportional to 52,695,624, 72,719,961.12 and 28,578,376

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Solution

The fourth proportional to 52,695,624, 72,719,961.12 and 28,578,376 is: 39,438,158.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,695,624 : 72,719,961.12 = 28,578,376 : x
  2. Step 2: Convert to fraction form
    52,695,624/72,719,961.12 = 28,578,376/x
  3. Step 3: Cross multiply
    52,695,624x = 72,719,961.12 × 28,578,376
  4. Step 4: Simplify right side
    52,695,624x = 2,078,218,391,592,741.25
  5. Step 5: Solve for x
    x = 2,078,218,391,592,741.25/52,695,624
  6. Step 6: Final answer
    x = 39,438,158.88

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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.