Home / 12,605,100.23-18,908,320.82-3,969,875.97

Finding the Fourth Proportional to 12,605,100.23, 18,908,320.82 and 3,969,875.97

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Solution

The fourth proportional to 12,605,100.23, 18,908,320.82 and 3,969,875.97 is: 5,955,025.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,605,100.23 : 18,908,320.82 = 3,969,875.97 : x
  2. Step 2: Convert to fraction form
    12,605,100.23/18,908,320.82 = 3,969,875.97/x
  3. Step 3: Cross multiply
    12,605,100.23x = 18,908,320.82 × 3,969,875.97
  4. Step 4: Simplify right side
    12,605,100.23x = 75,063,688,365,613.12
  5. Step 5: Solve for x
    x = 75,063,688,365,613.12/12,605,100.23
  6. Step 6: Final answer
    x = 5,955,025.11

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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.