Home / 22,555,865.92-31,126,704.40-12,242,367.68

Finding the Fourth Proportional to 22,555,865.92, 31,126,704.40 and 12,242,367.68

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Solution

The fourth proportional to 22,555,865.92, 31,126,704.40 and 12,242,367.68 is: 16,894,255.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,555,865.92 : 31,126,704.40 = 12,242,367.68 : x
  2. Step 2: Convert to fraction form
    22,555,865.92/31,126,704.40 = 12,242,367.68/x
  3. Step 3: Cross multiply
    22,555,865.92x = 31,126,704.40 × 12,242,367.68
  4. Step 4: Simplify right side
    22,555,865.92x = 381,064,559,931,473.75
  5. Step 5: Solve for x
    x = 381,064,559,931,473.75/22,555,865.92
  6. Step 6: Final answer
    x = 16,894,255.41

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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.