Home / 13,452,136.70-20,178,205.05-8,066,867.90

Finding the Fourth Proportional to 13,452,136.70, 20,178,205.05 and 8,066,867.90

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Solution

The fourth proportional to 13,452,136.70, 20,178,205.05 and 8,066,867.90 is: 12,100,301.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452,136.70 : 20,178,205.05 = 8,066,867.90 : x
  2. Step 2: Convert to fraction form
    13,452,136.70/20,178,205.05 = 8,066,867.90/x
  3. Step 3: Cross multiply
    13,452,136.70x = 20,178,205.05 × 8,066,867.90
  4. Step 4: Simplify right side
    13,452,136.70x = 162,774,914,597,462.91
  5. Step 5: Solve for x
    x = 162,774,914,597,462.91/13,452,136.70
  6. Step 6: Final answer
    x = 12,100,301.85

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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.