Home / 20,718,753.26-31,080,966.12-7,068,234.60

Finding the Fourth Proportional to 20,718,753.26, 31,080,966.12 and 7,068,234.60

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Solution

The fourth proportional to 20,718,753.26, 31,080,966.12 and 7,068,234.60 is: 10,603,319.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,718,753.26 : 31,080,966.12 = 7,068,234.60 : x
  2. Step 2: Convert to fraction form
    20,718,753.26/31,080,966.12 = 7,068,234.60/x
  3. Step 3: Cross multiply
    20,718,753.26x = 31,080,966.12 × 7,068,234.60
  4. Step 4: Simplify right side
    20,718,753.26x = 219,687,560,130,811.75
  5. Step 5: Solve for x
    x = 219,687,560,130,811.75/20,718,753.26
  6. Step 6: Final answer
    x = 10,603,319.49

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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.