Home / 12,558,046.60-18,817,716.30-9,348,113.80

Finding the Fourth Proportional to 12,558,046.60, 18,817,716.30 and 9,348,113.80

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Solution

The fourth proportional to 12,558,046.60, 18,817,716.30 and 9,348,113.80 is: 14,007,764.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558,046.60 : 18,817,716.30 = 9,348,113.80 : x
  2. Step 2: Convert to fraction form
    12,558,046.60/18,817,716.30 = 9,348,113.80/x
  3. Step 3: Cross multiply
    12,558,046.60x = 18,817,716.30 × 9,348,113.80
  4. Step 4: Simplify right side
    12,558,046.60x = 175,910,153,428,514.97
  5. Step 5: Solve for x
    x = 175,910,153,428,514.97/12,558,046.60
  6. Step 6: Final answer
    x = 14,007,764.03

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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.