Home / 12,101,068.10-18,151,602.15-6,992,236.10

Finding the Fourth Proportional to 12,101,068.10, 18,151,602.15 and 6,992,236.10

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Solution

The fourth proportional to 12,101,068.10, 18,151,602.15 and 6,992,236.10 is: 10,488,354.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,068.10 : 18,151,602.15 = 6,992,236.10 : x
  2. Step 2: Convert to fraction form
    12,101,068.10/18,151,602.15 = 6,992,236.10/x
  3. Step 3: Cross multiply
    12,101,068.10x = 18,151,602.15 × 6,992,236.10
  4. Step 4: Simplify right side
    12,101,068.10x = 126,920,287,826,067.59
  5. Step 5: Solve for x
    x = 126,920,287,826,067.59/12,101,068.10
  6. Step 6: Final answer
    x = 10,488,354.15

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Double scale
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Similar ratio
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1.5x scale

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.