Home / 18,187,276.80-27,280,915.20-16,507,660.80

Finding the Fourth Proportional to 18,187,276.80, 27,280,915.20 and 16,507,660.80

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Solution

The fourth proportional to 18,187,276.80, 27,280,915.20 and 16,507,660.80 is: 24,761,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187,276.80 : 27,280,915.20 = 16,507,660.80 : x
  2. Step 2: Convert to fraction form
    18,187,276.80/27,280,915.20 = 16,507,660.80/x
  3. Step 3: Cross multiply
    18,187,276.80x = 27,280,915.20 × 16,507,660.80
  4. Step 4: Simplify right side
    18,187,276.80x = 450,344,094,435,164.19
  5. Step 5: Solve for x
    x = 450,344,094,435,164.19/18,187,276.80
  6. Step 6: Final answer
    x = 24,761,491.20

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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.