Home / 15,141,649.55-20,895,370.07-8,266,131.61

Finding the Fourth Proportional to 15,141,649.55, 20,895,370.07 and 8,266,131.61

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Solution

The fourth proportional to 15,141,649.55, 20,895,370.07 and 8,266,131.61 is: 11,407,203.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141,649.55 : 20,895,370.07 = 8,266,131.61 : x
  2. Step 2: Convert to fraction form
    15,141,649.55/20,895,370.07 = 8,266,131.61/x
  3. Step 3: Cross multiply
    15,141,649.55x = 20,895,370.07 × 8,266,131.61
  4. Step 4: Simplify right side
    15,141,649.55x = 172,723,878,944,705.84
  5. Step 5: Solve for x
    x = 172,723,878,944,705.84/15,141,649.55
  6. Step 6: Final answer
    x = 11,407,203.58

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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.