Home / 15,141,629.76-20,895,342.78-8,266,111.83

Finding the Fourth Proportional to 15,141,629.76, 20,895,342.78 and 8,266,111.83

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Solution

The fourth proportional to 15,141,629.76, 20,895,342.78 and 8,266,111.83 is: 11,407,176.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141,629.76 : 20,895,342.78 = 8,266,111.83 : x
  2. Step 2: Convert to fraction form
    15,141,629.76/20,895,342.78 = 8,266,111.83/x
  3. Step 3: Cross multiply
    15,141,629.76x = 20,895,342.78 × 8,266,111.83
  4. Step 4: Simplify right side
    15,141,629.76x = 172,723,240,051,806.59
  5. Step 5: Solve for x
    x = 172,723,240,051,806.59/15,141,629.76
  6. Step 6: Final answer
    x = 11,407,176.29

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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.