Home / 27,140,811.20-40,711,216.80-9,189,915.20

Finding the Fourth Proportional to 27,140,811.20, 40,711,216.80 and 9,189,915.20

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Solution

The fourth proportional to 27,140,811.20, 40,711,216.80 and 9,189,915.20 is: 13,784,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,140,811.20 : 40,711,216.80 = 9,189,915.20 : x
  2. Step 2: Convert to fraction form
    27,140,811.20/40,711,216.80 = 9,189,915.20/x
  3. Step 3: Cross multiply
    27,140,811.20x = 40,711,216.80 × 9,189,915.20
  4. Step 4: Simplify right side
    27,140,811.20x = 374,132,630,080,815.31
  5. Step 5: Solve for x
    x = 374,132,630,080,815.31/27,140,811.20
  6. Step 6: Final answer
    x = 13,784,872.80

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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.