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Finding the Fourth Proportional to 16,603,640.60, 24,924,123.30 and 12,833,835.80

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Solution

The fourth proportional to 16,603,640.60, 24,924,123.30 and 12,833,835.80 is: 19,265,178.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,603,640.60 : 24,924,123.30 = 12,833,835.80 : x
  2. Step 2: Convert to fraction form
    16,603,640.60/24,924,123.30 = 12,833,835.80/x
  3. Step 3: Cross multiply
    16,603,640.60x = 24,924,123.30 × 12,833,835.80
  4. Step 4: Simplify right side
    16,603,640.60x = 319,872,105,891,154.19
  5. Step 5: Solve for x
    x = 319,872,105,891,154.19/16,603,640.60
  6. Step 6: Final answer
    x = 19,265,178.86

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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.