Home / 10,381,503.20-15,572,254.80-7,511,721.80

Finding the Fourth Proportional to 10,381,503.20, 15,572,254.80 and 7,511,721.80

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Solution

The fourth proportional to 10,381,503.20, 15,572,254.80 and 7,511,721.80 is: 11,267,582.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381,503.20 : 15,572,254.80 = 7,511,721.80 : x
  2. Step 2: Convert to fraction form
    10,381,503.20/15,572,254.80 = 7,511,721.80/x
  3. Step 3: Cross multiply
    10,381,503.20x = 15,572,254.80 × 7,511,721.80
  4. Step 4: Simplify right side
    10,381,503.20x = 116,974,445,856,314.64
  5. Step 5: Solve for x
    x = 116,974,445,856,314.64/10,381,503.20
  6. Step 6: Final answer
    x = 11,267,582.70

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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.