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Finding the Fourth Proportional to 14,537,402.21, 20,061,747.74 and 8,011,265.83

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Solution

The fourth proportional to 14,537,402.21, 20,061,747.74 and 8,011,265.83 is: 11,055,619.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,537,402.21 : 20,061,747.74 = 8,011,265.83 : x
  2. Step 2: Convert to fraction form
    14,537,402.21/20,061,747.74 = 8,011,265.83/x
  3. Step 3: Cross multiply
    14,537,402.21x = 20,061,747.74 × 8,011,265.83
  4. Step 4: Simplify right side
    14,537,402.21x = 160,719,994,069,331
  5. Step 5: Solve for x
    x = 160,719,994,069,331/14,537,402.21
  6. Step 6: Final answer
    x = 11,055,619.96

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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.