Home / 10,647,246.60-15,970,869.90-7,623,937.80

Finding the Fourth Proportional to 10,647,246.60, 15,970,869.90 and 7,623,937.80

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Solution

The fourth proportional to 10,647,246.60, 15,970,869.90 and 7,623,937.80 is: 11,435,906.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647,246.60 : 15,970,869.90 = 7,623,937.80 : x
  2. Step 2: Convert to fraction form
    10,647,246.60/15,970,869.90 = 7,623,937.80/x
  3. Step 3: Cross multiply
    10,647,246.60x = 15,970,869.90 × 7,623,937.80
  4. Step 4: Simplify right side
    10,647,246.60x = 121,760,918,729,492.22
  5. Step 5: Solve for x
    x = 121,760,918,729,492.22/10,647,246.60
  6. Step 6: Final answer
    x = 11,435,906.70

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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.