Home / 8,378,049.90-12,558,780.45-4,114,728.30

Finding the Fourth Proportional to 8,378,049.90, 12,558,780.45 and 4,114,728.30

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Solution

The fourth proportional to 8,378,049.90, 12,558,780.45 and 4,114,728.30 is: 6,168,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,049.90 : 12,558,780.45 = 4,114,728.30 : x
  2. Step 2: Convert to fraction form
    8,378,049.90/12,558,780.45 = 4,114,728.30/x
  3. Step 3: Cross multiply
    8,378,049.90x = 12,558,780.45 × 4,114,728.30
  4. Step 4: Simplify right side
    8,378,049.90x = 51,675,969,331,101.73
  5. Step 5: Solve for x
    x = 51,675,969,331,101.73/8,378,049.90
  6. Step 6: Final answer
    x = 6,168,018.80

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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.