Home / 22,531,887.81-31,094,013.42-12,218,608.17

Finding the Fourth Proportional to 22,531,887.81, 31,094,013.42 and 12,218,608.17

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Solution

The fourth proportional to 22,531,887.81, 31,094,013.42 and 12,218,608.17 is: 16,861,683.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,531,887.81 : 31,094,013.42 = 12,218,608.17 : x
  2. Step 2: Convert to fraction form
    22,531,887.81/31,094,013.42 = 12,218,608.17/x
  3. Step 3: Cross multiply
    22,531,887.81x = 31,094,013.42 × 12,218,608.17
  4. Step 4: Simplify right side
    22,531,887.81x = 379,925,566,411,701.69
  5. Step 5: Solve for x
    x = 379,925,566,411,701.69/22,531,887.81
  6. Step 6: Final answer
    x = 16,861,683.74

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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.