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Finding the Fourth Proportional to 18,717,822.30, 28,050,489.45 and 14,886,198.30

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Solution

The fourth proportional to 18,717,822.30, 28,050,489.45 and 14,886,198.30 is: 22,308,425.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717,822.30 : 28,050,489.45 = 14,886,198.30 : x
  2. Step 2: Convert to fraction form
    18,717,822.30/28,050,489.45 = 14,886,198.30/x
  3. Step 3: Cross multiply
    18,717,822.30x = 28,050,489.45 × 14,886,198.30
  4. Step 4: Simplify right side
    18,717,822.30x = 417,565,148,364,757.94
  5. Step 5: Solve for x
    x = 417,565,148,364,757.94/18,717,822.30
  6. Step 6: Final answer
    x = 22,308,425.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.