Home / 12,239,555.72-16,890,493.68-6,732,812.30

Finding the Fourth Proportional to 12,239,555.72, 16,890,493.68 and 6,732,812.30

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Solution

The fourth proportional to 12,239,555.72, 16,890,493.68 and 6,732,812.30 is: 9,291,229.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,239,555.72 : 16,890,493.68 = 6,732,812.30 : x
  2. Step 2: Convert to fraction form
    12,239,555.72/16,890,493.68 = 6,732,812.30/x
  3. Step 3: Cross multiply
    12,239,555.72x = 16,890,493.68 × 6,732,812.30
  4. Step 4: Simplify right side
    12,239,555.72x = 113,720,523,601,776.27
  5. Step 5: Solve for x
    x = 113,720,523,601,776.27/12,239,555.72
  6. Step 6: Final answer
    x = 9,291,229.70

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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.