Home / 18,320,630.40-27,486,264.35-7,385,176.55

Finding the Fourth Proportional to 18,320,630.40, 27,486,264.35 and 7,385,176.55

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Solution

The fourth proportional to 18,320,630.40, 27,486,264.35 and 7,385,176.55 is: 11,079,908.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,320,630.40 : 27,486,264.35 = 7,385,176.55 : x
  2. Step 2: Convert to fraction form
    18,320,630.40/27,486,264.35 = 7,385,176.55/x
  3. Step 3: Cross multiply
    18,320,630.40x = 27,486,264.35 × 7,385,176.55
  4. Step 4: Simplify right side
    18,320,630.40x = 202,990,915,011,899.59
  5. Step 5: Solve for x
    x = 202,990,915,011,899.59/18,320,630.40
  6. Step 6: Final answer
    x = 11,079,908.86

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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.