Home / 12,127,543.20-18,193,939.20-3,608,740.80

Finding the Fourth Proportional to 12,127,543.20, 18,193,939.20 and 3,608,740.80

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Solution

The fourth proportional to 12,127,543.20, 18,193,939.20 and 3,608,740.80 is: 5,413,892.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,543.20 : 18,193,939.20 = 3,608,740.80 : x
  2. Step 2: Convert to fraction form
    12,127,543.20/18,193,939.20 = 3,608,740.80/x
  3. Step 3: Cross multiply
    12,127,543.20x = 18,193,939.20 × 3,608,740.80
  4. Step 4: Simplify right side
    12,127,543.20x = 65,657,210,703,759.35
  5. Step 5: Solve for x
    x = 65,657,210,703,759.35/12,127,543.20
  6. Step 6: Final answer
    x = 5,413,892.13

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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.