Home / 13,608,010.60-20,412,015.90-5,087,239.90

Finding the Fourth Proportional to 13,608,010.60, 20,412,015.90 and 5,087,239.90

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Solution

The fourth proportional to 13,608,010.60, 20,412,015.90 and 5,087,239.90 is: 7,630,859.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,010.60 : 20,412,015.90 = 5,087,239.90 : x
  2. Step 2: Convert to fraction form
    13,608,010.60/20,412,015.90 = 5,087,239.90/x
  3. Step 3: Cross multiply
    13,608,010.60x = 20,412,015.90 × 5,087,239.90
  4. Step 4: Simplify right side
    13,608,010.60x = 103,840,821,725,914.41
  5. Step 5: Solve for x
    x = 103,840,821,725,914.41/13,608,010.60
  6. Step 6: Final answer
    x = 7,630,859.85

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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.