Home / 8,086,143.40-12,129,215.10-3,291,364.60

Finding the Fourth Proportional to 8,086,143.40, 12,129,215.10 and 3,291,364.60

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Solution

The fourth proportional to 8,086,143.40, 12,129,215.10 and 3,291,364.60 is: 4,937,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,086,143.40 : 12,129,215.10 = 3,291,364.60 : x
  2. Step 2: Convert to fraction form
    8,086,143.40/12,129,215.10 = 3,291,364.60/x
  3. Step 3: Cross multiply
    8,086,143.40x = 12,129,215.10 × 3,291,364.60
  4. Step 4: Simplify right side
    8,086,143.40x = 39,921,669,205,925.46
  5. Step 5: Solve for x
    x = 39,921,669,205,925.46/8,086,143.40
  6. Step 6: Final answer
    x = 4,937,046.90

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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.