Home / 13,334,780.80-20,002,171.20-13,122,204.40

Finding the Fourth Proportional to 13,334,780.80, 20,002,171.20 and 13,122,204.40

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Solution

The fourth proportional to 13,334,780.80, 20,002,171.20 and 13,122,204.40 is: 19,683,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334,780.80 : 20,002,171.20 = 13,122,204.40 : x
  2. Step 2: Convert to fraction form
    13,334,780.80/20,002,171.20 = 13,122,204.40/x
  3. Step 3: Cross multiply
    13,334,780.80x = 20,002,171.20 × 13,122,204.40
  4. Step 4: Simplify right side
    13,334,780.80x = 262,472,578,930,193.28
  5. Step 5: Solve for x
    x = 262,472,578,930,193.28/13,334,780.80
  6. Step 6: Final answer
    x = 19,683,306.60

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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.