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Finding the Fourth Proportional to 22,865,156.66, 31,552,758.45 and 13,573,124.01

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Solution

The fourth proportional to 22,865,156.66, 31,552,758.45 and 13,573,124.01 is: 18,730,223.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,865,156.66 : 31,552,758.45 = 13,573,124.01 : x
  2. Step 2: Convert to fraction form
    22,865,156.66/31,552,758.45 = 13,573,124.01/x
  3. Step 3: Cross multiply
    22,865,156.66x = 31,552,758.45 × 13,573,124.01
  4. Step 4: Simplify right side
    22,865,156.66x = 428,269,503,299,425.38
  5. Step 5: Solve for x
    x = 428,269,503,299,425.38/22,865,156.66
  6. Step 6: Final answer
    x = 18,730,223.88

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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.