Home / 27,217,216.80-40,825,825.20-20,498,752.80

Finding the Fourth Proportional to 27,217,216.80, 40,825,825.20 and 20,498,752.80

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Solution

The fourth proportional to 27,217,216.80, 40,825,825.20 and 20,498,752.80 is: 30,748,129.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,217,216.80 : 40,825,825.20 = 20,498,752.80 : x
  2. Step 2: Convert to fraction form
    27,217,216.80/40,825,825.20 = 20,498,752.80/x
  3. Step 3: Cross multiply
    27,217,216.80x = 40,825,825.20 × 20,498,752.80
  4. Step 4: Simplify right side
    27,217,216.80x = 836,878,498,630,810.62
  5. Step 5: Solve for x
    x = 836,878,498,630,810.62/27,217,216.80
  6. Step 6: Final answer
    x = 30,748,129.20

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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.