Home / 22,531,911.84-31,094,046.60-12,218,632.20

Finding the Fourth Proportional to 22,531,911.84, 31,094,046.60 and 12,218,632.20

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Solution

The fourth proportional to 22,531,911.84, 31,094,046.60 and 12,218,632.20 is: 16,861,716.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,531,911.84 : 31,094,046.60 = 12,218,632.20 : x
  2. Step 2: Convert to fraction form
    22,531,911.84/31,094,046.60 = 12,218,632.20/x
  3. Step 3: Cross multiply
    22,531,911.84x = 31,094,046.60 × 12,218,632.20
  4. Step 4: Simplify right side
    22,531,911.84x = 379,926,719,015,060.50
  5. Step 5: Solve for x
    x = 379,926,719,015,060.50/22,531,911.84
  6. Step 6: Final answer
    x = 16,861,716.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.