Home / 18,156,487.20-27,266,223.60-9,653,431.20

Finding the Fourth Proportional to 18,156,487.20, 27,266,223.60 and 9,653,431.20

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Solution

The fourth proportional to 18,156,487.20, 27,266,223.60 and 9,653,431.20 is: 14,496,890.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156,487.20 : 27,266,223.60 = 9,653,431.20 : x
  2. Step 2: Convert to fraction form
    18,156,487.20/27,266,223.60 = 9,653,431.20/x
  3. Step 3: Cross multiply
    18,156,487.20x = 27,266,223.60 × 9,653,431.20
  4. Step 4: Simplify right side
    18,156,487.20x = 263,212,613,606,416.31
  5. Step 5: Solve for x
    x = 263,212,613,606,416.31/18,156,487.20
  6. Step 6: Final answer
    x = 14,496,890.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.