Home / 15,141,629.67-20,895,342.65-8,266,111.73

Finding the Fourth Proportional to 15,141,629.67, 20,895,342.65 and 8,266,111.73

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Solution

The fourth proportional to 15,141,629.67, 20,895,342.65 and 8,266,111.73 is: 11,407,176.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141,629.67 : 20,895,342.65 = 8,266,111.73 : x
  2. Step 2: Convert to fraction form
    15,141,629.67/20,895,342.65 = 8,266,111.73/x
  3. Step 3: Cross multiply
    15,141,629.67x = 20,895,342.65 × 8,266,111.73
  4. Step 4: Simplify right side
    15,141,629.67x = 172,723,237,023,440
  5. Step 5: Solve for x
    x = 172,723,237,023,440/15,141,629.67
  6. Step 6: Final answer
    x = 11,407,176.16

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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.