Home / 13,402,372.80-20,103,559.20-11,170,320.60

Finding the Fourth Proportional to 13,402,372.80, 20,103,559.20 and 11,170,320.60

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Solution

The fourth proportional to 13,402,372.80, 20,103,559.20 and 11,170,320.60 is: 16,755,480.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,402,372.80 : 20,103,559.20 = 11,170,320.60 : x
  2. Step 2: Convert to fraction form
    13,402,372.80/20,103,559.20 = 11,170,320.60/x
  3. Step 3: Cross multiply
    13,402,372.80x = 20,103,559.20 × 11,170,320.60
  4. Step 4: Simplify right side
    13,402,372.80x = 224,563,201,465,079.50
  5. Step 5: Solve for x
    x = 224,563,201,465,079.50/13,402,372.80
  6. Step 6: Final answer
    x = 16,755,480.90

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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.