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Finding the Fourth Proportional to 16,353,780.70, 24,530,671.05 and 9,960,742.30

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Solution

The fourth proportional to 16,353,780.70, 24,530,671.05 and 9,960,742.30 is: 14,941,113.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,353,780.70 : 24,530,671.05 = 9,960,742.30 : x
  2. Step 2: Convert to fraction form
    16,353,780.70/24,530,671.05 = 9,960,742.30/x
  3. Step 3: Cross multiply
    16,353,780.70x = 24,530,671.05 × 9,960,742.30
  4. Step 4: Simplify right side
    16,353,780.70x = 244,343,692,775,120.44
  5. Step 5: Solve for x
    x = 244,343,692,775,120.44/16,353,780.70
  6. Step 6: Final answer
    x = 14,941,113.45

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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.