Home / 52,251,927.20-72,109,509.79-28,732,253.96

Finding the Fourth Proportional to 52,251,927.20, 72,109,509.79 and 28,732,253.96

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Solution

The fourth proportional to 52,251,927.20, 72,109,509.79 and 28,732,253.96 is: 39,651,527.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,251,927.20 : 72,109,509.79 = 28,732,253.96 : x
  2. Step 2: Convert to fraction form
    52,251,927.20/72,109,509.79 = 28,732,253.96/x
  3. Step 3: Cross multiply
    52,251,927.20x = 72,109,509.79 × 28,732,253.96
  4. Step 4: Simplify right side
    52,251,927.20x = 2,071,868,748,217,386.50
  5. Step 5: Solve for x
    x = 2,071,868,748,217,386.50/52,251,927.20
  6. Step 6: Final answer
    x = 39,651,527.88

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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.