Home / 12,291,207.30-18,426,399.39-5,098,251.78

Finding the Fourth Proportional to 12,291,207.30, 18,426,399.39 and 5,098,251.78

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Solution

The fourth proportional to 12,291,207.30, 18,426,399.39 and 5,098,251.78 is: 7,643,059.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,207.30 : 18,426,399.39 = 5,098,251.78 : x
  2. Step 2: Convert to fraction form
    12,291,207.30/18,426,399.39 = 5,098,251.78/x
  3. Step 3: Cross multiply
    12,291,207.30x = 18,426,399.39 × 5,098,251.78
  4. Step 4: Simplify right side
    12,291,207.30x = 93,942,423,489,058.42
  5. Step 5: Solve for x
    x = 93,942,423,489,058.42/12,291,207.30
  6. Step 6: Final answer
    x = 7,643,059.07

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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.