Home / 47,894,935.20-71,835,404.40-13,812,727.20

Finding the Fourth Proportional to 47,894,935.20, 71,835,404.40 and 13,812,727.20

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Solution

The fourth proportional to 47,894,935.20, 71,835,404.40 and 13,812,727.20 is: 20,717,072.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,894,935.20 : 71,835,404.40 = 13,812,727.20 : x
  2. Step 2: Convert to fraction form
    47,894,935.20/71,835,404.40 = 13,812,727.20/x
  3. Step 3: Cross multiply
    47,894,935.20x = 71,835,404.40 × 13,812,727.20
  4. Step 4: Simplify right side
    47,894,935.20x = 992,242,844,278,879.75
  5. Step 5: Solve for x
    x = 992,242,844,278,879.75/47,894,935.20
  6. Step 6: Final answer
    x = 20,717,072.49

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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.