Home / 13,416,712.80-20,125,069.20-9,165,184.80

Finding the Fourth Proportional to 13,416,712.80, 20,125,069.20 and 9,165,184.80

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Solution

The fourth proportional to 13,416,712.80, 20,125,069.20 and 9,165,184.80 is: 13,747,777.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416,712.80 : 20,125,069.20 = 9,165,184.80 : x
  2. Step 2: Convert to fraction form
    13,416,712.80/20,125,069.20 = 9,165,184.80/x
  3. Step 3: Cross multiply
    13,416,712.80x = 20,125,069.20 × 9,165,184.80
  4. Step 4: Simplify right side
    13,416,712.80x = 184,449,978,330,788.16
  5. Step 5: Solve for x
    x = 184,449,978,330,788.16/13,416,712.80
  6. Step 6: Final answer
    x = 13,747,777.20

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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.