Home / 12,126,039.90-18,189,059.85-6,061,707.60

Finding the Fourth Proportional to 12,126,039.90, 18,189,059.85 and 6,061,707.60

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Solution

The fourth proportional to 12,126,039.90, 18,189,059.85 and 6,061,707.60 is: 9,092,561.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126,039.90 : 18,189,059.85 = 6,061,707.60 : x
  2. Step 2: Convert to fraction form
    12,126,039.90/18,189,059.85 = 6,061,707.60/x
  3. Step 3: Cross multiply
    12,126,039.90x = 18,189,059.85 × 6,061,707.60
  4. Step 4: Simplify right side
    12,126,039.90x = 110,256,762,329,599.86
  5. Step 5: Solve for x
    x = 110,256,762,329,599.86/12,126,039.90
  6. Step 6: Final answer
    x = 9,092,561.40

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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.