Home / 21,426,439.05-32,131,434.24-9,122,601.83

Finding the Fourth Proportional to 21,426,439.05, 32,131,434.24 and 9,122,601.83

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Solution

The fourth proportional to 21,426,439.05, 32,131,434.24 and 9,122,601.83 is: 13,680,401.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,426,439.05 : 32,131,434.24 = 9,122,601.83 : x
  2. Step 2: Convert to fraction form
    21,426,439.05/32,131,434.24 = 9,122,601.83/x
  3. Step 3: Cross multiply
    21,426,439.05x = 32,131,434.24 × 9,122,601.83
  4. Step 4: Simplify right side
    21,426,439.05x = 293,122,280,637,691.44
  5. Step 5: Solve for x
    x = 293,122,280,637,691.44/21,426,439.05
  6. Step 6: Final answer
    x = 13,680,401.11

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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.