Home / 10,314,687.30-15,440,538.15-8,047,205.70

Finding the Fourth Proportional to 10,314,687.30, 15,440,538.15 and 8,047,205.70

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Solution

The fourth proportional to 10,314,687.30, 15,440,538.15 and 8,047,205.70 is: 12,046,238.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,314,687.30 : 15,440,538.15 = 8,047,205.70 : x
  2. Step 2: Convert to fraction form
    10,314,687.30/15,440,538.15 = 8,047,205.70/x
  3. Step 3: Cross multiply
    10,314,687.30x = 15,440,538.15 × 8,047,205.70
  4. Step 4: Simplify right side
    10,314,687.30x = 124,253,186,611,747.45
  5. Step 5: Solve for x
    x = 124,253,186,611,747.45/10,314,687.30
  6. Step 6: Final answer
    x = 12,046,238.82

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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.