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Finding the Fourth Proportional to 18,897,651.87, 26,064,836.37 and 14,251,632.71

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Solution

The fourth proportional to 18,897,651.87, 26,064,836.37 and 14,251,632.71 is: 19,656,752.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,897,651.87 : 26,064,836.37 = 14,251,632.71 : x
  2. Step 2: Convert to fraction form
    18,897,651.87/26,064,836.37 = 14,251,632.71/x
  3. Step 3: Cross multiply
    18,897,651.87x = 26,064,836.37 × 14,251,632.71
  4. Step 4: Simplify right side
    18,897,651.87x = 371,466,474,461,165.50
  5. Step 5: Solve for x
    x = 371,466,474,461,165.50/18,897,651.87
  6. Step 6: Final answer
    x = 19,656,752.96

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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.