Home / 27,216,979.20-40,825,468.80-13,612,089.60

Finding the Fourth Proportional to 27,216,979.20, 40,825,468.80 and 13,612,089.60

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Solution

The fourth proportional to 27,216,979.20, 40,825,468.80 and 13,612,089.60 is: 20,418,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,216,979.20 : 40,825,468.80 = 13,612,089.60 : x
  2. Step 2: Convert to fraction form
    27,216,979.20/40,825,468.80 = 13,612,089.60/x
  3. Step 3: Cross multiply
    27,216,979.20x = 40,825,468.80 × 13,612,089.60
  4. Step 4: Simplify right side
    27,216,979.20x = 555,719,939,267,604.44
  5. Step 5: Solve for x
    x = 555,719,939,267,604.44/27,216,979.20
  6. Step 6: Final answer
    x = 20,418,134.40

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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.