Home / 12,451,446.27-18,638,862.33-8,124,178.83

Finding the Fourth Proportional to 12,451,446.27, 18,638,862.33 and 8,124,178.83

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Solution

The fourth proportional to 12,451,446.27, 18,638,862.33 and 8,124,178.83 is: 12,161,274.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451,446.27 : 18,638,862.33 = 8,124,178.83 : x
  2. Step 2: Convert to fraction form
    12,451,446.27/18,638,862.33 = 8,124,178.83/x
  3. Step 3: Cross multiply
    12,451,446.27x = 18,638,862.33 × 8,124,178.83
  4. Step 4: Simplify right side
    12,451,446.27x = 151,425,450,756,670.47
  5. Step 5: Solve for x
    x = 151,425,450,756,670.47/12,451,446.27
  6. Step 6: Final answer
    x = 12,161,274.08

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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.