Home / 12,630,766.50-17,430,470.12-6,829,546.70

Finding the Fourth Proportional to 12,630,766.50, 17,430,470.12 and 6,829,546.70

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Solution

The fourth proportional to 12,630,766.50, 17,430,470.12 and 6,829,546.70 is: 9,424,781.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,630,766.50 : 17,430,470.12 = 6,829,546.70 : x
  2. Step 2: Convert to fraction form
    12,630,766.50/17,430,470.12 = 6,829,546.70/x
  3. Step 3: Cross multiply
    12,630,766.50x = 17,430,470.12 × 6,829,546.70
  4. Step 4: Simplify right side
    12,630,766.50x = 119,042,209,687,494.61
  5. Step 5: Solve for x
    x = 119,042,209,687,494.61/12,630,766.50
  6. Step 6: Final answer
    x = 9,424,781.12

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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.