Home / 10,647,205.80-15,970,808.70-9,387,493.80

Finding the Fourth Proportional to 10,647,205.80, 15,970,808.70 and 9,387,493.80

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Solution

The fourth proportional to 10,647,205.80, 15,970,808.70 and 9,387,493.80 is: 14,081,240.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647,205.80 : 15,970,808.70 = 9,387,493.80 : x
  2. Step 2: Convert to fraction form
    10,647,205.80/15,970,808.70 = 9,387,493.80/x
  3. Step 3: Cross multiply
    10,647,205.80x = 15,970,808.70 × 9,387,493.80
  4. Step 4: Simplify right side
    10,647,205.80x = 149,925,867,652,236.06
  5. Step 5: Solve for x
    x = 149,925,867,652,236.06/10,647,205.80
  6. Step 6: Final answer
    x = 14,081,240.70

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Similar ratio
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1.5x scale

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.