Home / 15,577,865.20-21,498,617.64-8,964,480.88

Finding the Fourth Proportional to 15,577,865.20, 21,498,617.64 and 8,964,480.88

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Solution

The fourth proportional to 15,577,865.20, 21,498,617.64 and 8,964,480.88 is: 12,371,653.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,577,865.20 : 21,498,617.64 = 8,964,480.88 : x
  2. Step 2: Convert to fraction form
    15,577,865.20/21,498,617.64 = 8,964,480.88/x
  3. Step 3: Cross multiply
    15,577,865.20x = 21,498,617.64 × 8,964,480.88
  4. Step 4: Simplify right side
    15,577,865.20x = 192,723,946,780,210.75
  5. Step 5: Solve for x
    x = 192,723,946,780,210.75/15,577,865.20
  6. Step 6: Final answer
    x = 12,371,653.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.