Home / 17,758,221.18-26,638,079.13-5,628,163.56

Finding the Fourth Proportional to 17,758,221.18, 26,638,079.13 and 5,628,163.56

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Solution

The fourth proportional to 17,758,221.18, 26,638,079.13 and 5,628,163.56 is: 8,442,482.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,758,221.18 : 26,638,079.13 = 5,628,163.56 : x
  2. Step 2: Convert to fraction form
    17,758,221.18/26,638,079.13 = 5,628,163.56/x
  3. Step 3: Cross multiply
    17,758,221.18x = 26,638,079.13 × 5,628,163.56
  4. Step 4: Simplify right side
    17,758,221.18x = 149,923,466,267,862.50
  5. Step 5: Solve for x
    x = 149,923,466,267,862.50/17,758,221.18
  6. Step 6: Final answer
    x = 8,442,482.20

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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.