Home / 28,679,908.80-43,019,863.20-26,412,427.20

Finding the Fourth Proportional to 28,679,908.80, 43,019,863.20 and 26,412,427.20

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Solution

The fourth proportional to 28,679,908.80, 43,019,863.20 and 26,412,427.20 is: 39,618,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,679,908.80 : 43,019,863.20 = 26,412,427.20 : x
  2. Step 2: Convert to fraction form
    28,679,908.80/43,019,863.20 = 26,412,427.20/x
  3. Step 3: Cross multiply
    28,679,908.80x = 43,019,863.20 × 26,412,427.20
  4. Step 4: Simplify right side
    28,679,908.80x = 1,136,259,004,923,959
  5. Step 5: Solve for x
    x = 1,136,259,004,923,959/28,679,908.80
  6. Step 6: Final answer
    x = 39,618,640.80

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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.