Home / 8,083,145.20-12,124,717.80-7,339,127.80

Finding the Fourth Proportional to 8,083,145.20, 12,124,717.80 and 7,339,127.80

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Solution

The fourth proportional to 8,083,145.20, 12,124,717.80 and 7,339,127.80 is: 11,008,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083,145.20 : 12,124,717.80 = 7,339,127.80 : x
  2. Step 2: Convert to fraction form
    8,083,145.20/12,124,717.80 = 7,339,127.80/x
  3. Step 3: Cross multiply
    8,083,145.20x = 12,124,717.80 × 7,339,127.80
  4. Step 4: Simplify right side
    8,083,145.20x = 88,984,853,473,134.84
  5. Step 5: Solve for x
    x = 88,984,853,473,134.84/8,083,145.20
  6. Step 6: Final answer
    x = 11,008,691.70

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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.