Home / 15,141,629.69-20,895,342.68-8,266,111.76

Finding the Fourth Proportional to 15,141,629.69, 20,895,342.68 and 8,266,111.76

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Solution

The fourth proportional to 15,141,629.69, 20,895,342.68 and 8,266,111.76 is: 11,407,176.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141,629.69 : 20,895,342.68 = 8,266,111.76 : x
  2. Step 2: Convert to fraction form
    15,141,629.69/20,895,342.68 = 8,266,111.76/x
  3. Step 3: Cross multiply
    15,141,629.69x = 20,895,342.68 × 8,266,111.76
  4. Step 4: Simplify right side
    15,141,629.69x = 172,723,237,772,566.50
  5. Step 5: Solve for x
    x = 172,723,237,772,566.50/15,141,629.69
  6. Step 6: Final answer
    x = 11,407,176.19

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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.