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Finding the Fourth Proportional to 18,000,640.64, 24,840,695.04 and 9,740,522.63

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Solution

The fourth proportional to 18,000,640.64, 24,840,695.04 and 9,740,522.63 is: 13,441,818.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,000,640.64 : 24,840,695.04 = 9,740,522.63 : x
  2. Step 2: Convert to fraction form
    18,000,640.64/24,840,695.04 = 9,740,522.63/x
  3. Step 3: Cross multiply
    18,000,640.64x = 24,840,695.04 × 9,740,522.63
  4. Step 4: Simplify right side
    18,000,640.64x = 241,961,352,182,048.78
  5. Step 5: Solve for x
    x = 241,961,352,182,048.78/18,000,640.64
  6. Step 6: Final answer
    x = 13,441,818.93

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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.