Home / 13,731,957.52-18,950,747.88-7,620,436.24

Finding the Fourth Proportional to 13,731,957.52, 18,950,747.88 and 7,620,436.24

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Solution

The fourth proportional to 13,731,957.52, 18,950,747.88 and 7,620,436.24 is: 10,516,560.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731,957.52 : 18,950,747.88 = 7,620,436.24 : x
  2. Step 2: Convert to fraction form
    13,731,957.52/18,950,747.88 = 7,620,436.24/x
  3. Step 3: Cross multiply
    13,731,957.52x = 18,950,747.88 × 7,620,436.24
  4. Step 4: Simplify right side
    13,731,957.52x = 144,412,965,919,855.16
  5. Step 5: Solve for x
    x = 144,412,965,919,855.16/13,731,957.52
  6. Step 6: Final answer
    x = 10,516,560.78

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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.