Home / 18,540,851.20-27,811,276.80-17,869,004.80

Finding the Fourth Proportional to 18,540,851.20, 27,811,276.80 and 17,869,004.80

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Solution

The fourth proportional to 18,540,851.20, 27,811,276.80 and 17,869,004.80 is: 26,803,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540,851.20 : 27,811,276.80 = 17,869,004.80 : x
  2. Step 2: Convert to fraction form
    18,540,851.20/27,811,276.80 = 17,869,004.80/x
  3. Step 3: Cross multiply
    18,540,851.20x = 27,811,276.80 × 17,869,004.80
  4. Step 4: Simplify right side
    18,540,851.20x = 496,959,838,633,328.69
  5. Step 5: Solve for x
    x = 496,959,838,633,328.69/18,540,851.20
  6. Step 6: Final answer
    x = 26,803,507.20

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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.