Home / 12,695,359.52-17,531,553.20-8,838,426.88

Finding the Fourth Proportional to 12,695,359.52, 17,531,553.20 and 8,838,426.88

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Solution

The fourth proportional to 12,695,359.52, 17,531,553.20 and 8,838,426.88 is: 12,205,353.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,695,359.52 : 17,531,553.20 = 8,838,426.88 : x
  2. Step 2: Convert to fraction form
    12,695,359.52/17,531,553.20 = 8,838,426.88/x
  3. Step 3: Cross multiply
    12,695,359.52x = 17,531,553.20 × 8,838,426.88
  4. Step 4: Simplify right side
    12,695,359.52x = 154,951,351,051,030.03
  5. Step 5: Solve for x
    x = 154,951,351,051,030.03/12,695,359.52
  6. Step 6: Final answer
    x = 12,205,353.52

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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.