Home / 13,799,077.34-20,675,733.76-8,391,369.92

Finding the Fourth Proportional to 13,799,077.34, 20,675,733.76 and 8,391,369.92

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Solution

The fourth proportional to 13,799,077.34, 20,675,733.76 and 8,391,369.92 is: 12,573,139.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799,077.34 : 20,675,733.76 = 8,391,369.92 : x
  2. Step 2: Convert to fraction form
    13,799,077.34/20,675,733.76 = 8,391,369.92/x
  3. Step 3: Cross multiply
    13,799,077.34x = 20,675,733.76 × 8,391,369.92
  4. Step 4: Simplify right side
    13,799,077.34x = 173,497,730,347,592.50
  5. Step 5: Solve for x
    x = 173,497,730,347,592.50/13,799,077.34
  6. Step 6: Final answer
    x = 12,573,139.93

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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.