Home / 8,750,704.20-13,105,061.10-4,257,731.40

Finding the Fourth Proportional to 8,750,704.20, 13,105,061.10 and 4,257,731.40

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Solution

The fourth proportional to 8,750,704.20, 13,105,061.10 and 4,257,731.40 is: 6,376,381.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750,704.20 : 13,105,061.10 = 4,257,731.40 : x
  2. Step 2: Convert to fraction form
    8,750,704.20/13,105,061.10 = 4,257,731.40/x
  3. Step 3: Cross multiply
    8,750,704.20x = 13,105,061.10 × 4,257,731.40
  4. Step 4: Simplify right side
    8,750,704.20x = 55,797,830,144,388.55
  5. Step 5: Solve for x
    x = 55,797,830,144,388.55/8,750,704.20
  6. Step 6: Final answer
    x = 6,376,381.70

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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.