Home / 14,156,752.62-21,131,779.31-12,147,905.64

Finding the Fourth Proportional to 14,156,752.62, 21,131,779.31 and 12,147,905.64

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Solution

The fourth proportional to 14,156,752.62, 21,131,779.31 and 12,147,905.64 is: 18,133,174.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156,752.62 : 21,131,779.31 = 12,147,905.64 : x
  2. Step 2: Convert to fraction form
    14,156,752.62/21,131,779.31 = 12,147,905.64/x
  3. Step 3: Cross multiply
    14,156,752.62x = 21,131,779.31 × 12,147,905.64
  4. Step 4: Simplify right side
    14,156,752.62x = 256,706,861,195,575.56
  5. Step 5: Solve for x
    x = 256,706,861,195,575.56/14,156,752.62
  6. Step 6: Final answer
    x = 18,133,174.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.