Home / 8,271,428.40-12,393,145.80-4,002,404.40

Finding the Fourth Proportional to 8,271,428.40, 12,393,145.80 and 4,002,404.40

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Solution

The fourth proportional to 8,271,428.40, 12,393,145.80 and 4,002,404.40 is: 5,996,833.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271,428.40 : 12,393,145.80 = 4,002,404.40 : x
  2. Step 2: Convert to fraction form
    8,271,428.40/12,393,145.80 = 4,002,404.40/x
  3. Step 3: Cross multiply
    8,271,428.40x = 12,393,145.80 × 4,002,404.40
  4. Step 4: Simplify right side
    8,271,428.40x = 49,602,381,279,761.52
  5. Step 5: Solve for x
    x = 49,602,381,279,761.52/8,271,428.40
  6. Step 6: Final answer
    x = 5,996,833.79

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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.