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Finding the Fourth Proportional to 18,000,362.49, 24,840,566.07 and 9,740,424.86

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Solution

The fourth proportional to 18,000,362.49, 24,840,566.07 and 9,740,424.86 is: 13,441,821.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,000,362.49 : 24,840,566.07 = 9,740,424.86 : x
  2. Step 2: Convert to fraction form
    18,000,362.49/24,840,566.07 = 9,740,424.86/x
  3. Step 3: Cross multiply
    18,000,362.49x = 24,840,566.07 × 9,740,424.86
  4. Step 4: Simplify right side
    18,000,362.49x = 241,957,667,160,497.69
  5. Step 5: Solve for x
    x = 241,957,667,160,497.69/18,000,362.49
  6. Step 6: Final answer
    x = 13,441,821.92

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1.5x scale

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.