Home / 12,260,997.60-18,360,003.60-9,720,578.40

Finding the Fourth Proportional to 12,260,997.60, 18,360,003.60 and 9,720,578.40

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Solution

The fourth proportional to 12,260,997.60, 18,360,003.60 and 9,720,578.40 is: 14,555,899.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260,997.60 : 18,360,003.60 = 9,720,578.40 : x
  2. Step 2: Convert to fraction form
    12,260,997.60/18,360,003.60 = 9,720,578.40/x
  3. Step 3: Cross multiply
    12,260,997.60x = 18,360,003.60 × 9,720,578.40
  4. Step 4: Simplify right side
    12,260,997.60x = 178,469,854,418,082.25
  5. Step 5: Solve for x
    x = 178,469,854,418,082.25/12,260,997.60
  6. Step 6: Final answer
    x = 14,555,899.96

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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.