Home / 8,394,469.60-12,591,704.40-7,402,446.40

Finding the Fourth Proportional to 8,394,469.60, 12,591,704.40 and 7,402,446.40

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Solution

The fourth proportional to 8,394,469.60, 12,591,704.40 and 7,402,446.40 is: 11,103,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394,469.60 : 12,591,704.40 = 7,402,446.40 : x
  2. Step 2: Convert to fraction form
    8,394,469.60/12,591,704.40 = 7,402,446.40/x
  3. Step 3: Cross multiply
    8,394,469.60x = 12,591,704.40 × 7,402,446.40
  4. Step 4: Simplify right side
    8,394,469.60x = 93,209,416,905,644.17
  5. Step 5: Solve for x
    x = 93,209,416,905,644.17/8,394,469.60
  6. Step 6: Final answer
    x = 11,103,669.60

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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.