Home / 13,447,116.68-18,558,575.70-7,487,123.72

Finding the Fourth Proportional to 13,447,116.68, 18,558,575.70 and 7,487,123.72

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Solution

The fourth proportional to 13,447,116.68, 18,558,575.70 and 7,487,123.72 is: 10,333,096.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,447,116.68 : 18,558,575.70 = 7,487,123.72 : x
  2. Step 2: Convert to fraction form
    13,447,116.68/18,558,575.70 = 7,487,123.72/x
  3. Step 3: Cross multiply
    13,447,116.68x = 18,558,575.70 × 7,487,123.72
  4. Step 4: Simplify right side
    13,447,116.68x = 138,950,352,332,885.59
  5. Step 5: Solve for x
    x = 138,950,352,332,885.59/13,447,116.68
  6. Step 6: Final answer
    x = 10,333,096.35

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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.