Home / 20,824,253.30-28,737,109.31-11,531,639.27

Finding the Fourth Proportional to 20,824,253.30, 28,737,109.31 and 11,531,639.27

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Solution

The fourth proportional to 20,824,253.30, 28,737,109.31 and 11,531,639.27 is: 15,913,462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,824,253.30 : 28,737,109.31 = 11,531,639.27 : x
  2. Step 2: Convert to fraction form
    20,824,253.30/28,737,109.31 = 11,531,639.27/x
  3. Step 3: Cross multiply
    20,824,253.30x = 28,737,109.31 × 11,531,639.27
  4. Step 4: Simplify right side
    20,824,253.30x = 331,385,978,024,134.88
  5. Step 5: Solve for x
    x = 331,385,978,024,134.88/20,824,253.30
  6. Step 6: Final answer
    x = 15,913,462.70

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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.