Home / 8,187,029.10-12,280,543.65-4,998,383.10

Finding the Fourth Proportional to 8,187,029.10, 12,280,543.65 and 4,998,383.10

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Solution

The fourth proportional to 8,187,029.10, 12,280,543.65 and 4,998,383.10 is: 7,497,574.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187,029.10 : 12,280,543.65 = 4,998,383.10 : x
  2. Step 2: Convert to fraction form
    8,187,029.10/12,280,543.65 = 4,998,383.10/x
  3. Step 3: Cross multiply
    8,187,029.10x = 12,280,543.65 × 4,998,383.10
  4. Step 4: Simplify right side
    8,187,029.10x = 61,382,861,838,972.31
  5. Step 5: Solve for x
    x = 61,382,861,838,972.31/8,187,029.10
  6. Step 6: Final answer
    x = 7,497,574.65

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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.