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Finding the Fourth Proportional to 18,897,651.47, 26,064,835.81 and 14,251,632.30

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Solution

The fourth proportional to 18,897,651.47, 26,064,835.81 and 14,251,632.30 is: 19,656,752.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,897,651.47 : 26,064,835.81 = 14,251,632.30 : x
  2. Step 2: Convert to fraction form
    18,897,651.47/26,064,835.81 = 14,251,632.30/x
  3. Step 3: Cross multiply
    18,897,651.47x = 26,064,835.81 × 14,251,632.30
  4. Step 4: Simplify right side
    18,897,651.47x = 371,466,455,858,830.56
  5. Step 5: Solve for x
    x = 371,466,455,858,830.56/18,897,651.47
  6. Step 6: Final answer
    x = 19,656,752.40

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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.