Home / 8,148,445.40-12,204,005.70-4,154,691.80

Finding the Fourth Proportional to 8,148,445.40, 12,204,005.70 and 4,154,691.80

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Solution

The fourth proportional to 8,148,445.40, 12,204,005.70 and 4,154,691.80 is: 6,222,522.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148,445.40 : 12,204,005.70 = 4,154,691.80 : x
  2. Step 2: Convert to fraction form
    8,148,445.40/12,204,005.70 = 4,154,691.80/x
  3. Step 3: Cross multiply
    8,148,445.40x = 12,204,005.70 × 4,154,691.80
  4. Step 4: Simplify right side
    8,148,445.40x = 50,703,882,408,943.26
  5. Step 5: Solve for x
    x = 50,703,882,408,943.26/8,148,445.40
  6. Step 6: Final answer
    x = 6,222,522.20

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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.