Home / 13,449,234.60-20,173,851.90-11,853,599.40

Finding the Fourth Proportional to 13,449,234.60, 20,173,851.90 and 11,853,599.40

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Solution

The fourth proportional to 13,449,234.60, 20,173,851.90 and 11,853,599.40 is: 17,780,399.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,449,234.60 : 20,173,851.90 = 11,853,599.40 : x
  2. Step 2: Convert to fraction form
    13,449,234.60/20,173,851.90 = 11,853,599.40/x
  3. Step 3: Cross multiply
    13,449,234.60x = 20,173,851.90 × 11,853,599.40
  4. Step 4: Simplify right side
    13,449,234.60x = 239,132,758,777,528.84
  5. Step 5: Solve for x
    x = 239,132,758,777,528.84/13,449,234.60
  6. Step 6: Final answer
    x = 17,780,399.10

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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.