Home / 15,786,868.59-21,785,878.82-8,543,524.59

Finding the Fourth Proportional to 15,786,868.59, 21,785,878.82 and 8,543,524.59

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Solution

The fourth proportional to 15,786,868.59, 21,785,878.82 and 8,543,524.59 is: 11,790,064.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,786,868.59 : 21,785,878.82 = 8,543,524.59 : x
  2. Step 2: Convert to fraction form
    15,786,868.59/21,785,878.82 = 8,543,524.59/x
  3. Step 3: Cross multiply
    15,786,868.59x = 21,785,878.82 × 8,543,524.59
  4. Step 4: Simplify right side
    15,786,868.59x = 186,128,191,370,712.56
  5. Step 5: Solve for x
    x = 186,128,191,370,712.56/15,786,868.59
  6. Step 6: Final answer
    x = 11,790,064.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.