Home / 9,720,010.80-14,580,016.20-8,019,399.60

Finding the Fourth Proportional to 9,720,010.80, 14,580,016.20 and 8,019,399.60

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Solution

The fourth proportional to 9,720,010.80, 14,580,016.20 and 8,019,399.60 is: 12,029,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720,010.80 : 14,580,016.20 = 8,019,399.60 : x
  2. Step 2: Convert to fraction form
    9,720,010.80/14,580,016.20 = 8,019,399.60/x
  3. Step 3: Cross multiply
    9,720,010.80x = 14,580,016.20 × 8,019,399.60
  4. Step 4: Simplify right side
    9,720,010.80x = 116,922,976,082,273.52
  5. Step 5: Solve for x
    x = 116,922,976,082,273.52/9,720,010.80
  6. Step 6: Final answer
    x = 12,029,099.40

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Double scale
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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.