Home / 8,423,755.40-12,637,207.87-3,375,459.56

Finding the Fourth Proportional to 8,423,755.40, 12,637,207.87 and 3,375,459.56

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Solution

The fourth proportional to 8,423,755.40, 12,637,207.87 and 3,375,459.56 is: 5,063,820.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423,755.40 : 12,637,207.87 = 3,375,459.56 : x
  2. Step 2: Convert to fraction form
    8,423,755.40/12,637,207.87 = 3,375,459.56/x
  3. Step 3: Cross multiply
    8,423,755.40x = 12,637,207.87 × 3,375,459.56
  4. Step 4: Simplify right side
    8,423,755.40x = 42,656,384,044,874.05
  5. Step 5: Solve for x
    x = 42,656,384,044,874.05/8,423,755.40
  6. Step 6: Final answer
    x = 5,063,820.36

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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.