Home / 12,501,753.62-18,739,842.93-8,458,668.62

Finding the Fourth Proportional to 12,501,753.62, 18,739,842.93 and 8,458,668.62

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Solution

The fourth proportional to 12,501,753.62, 18,739,842.93 and 8,458,668.62 is: 12,679,350.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,501,753.62 : 18,739,842.93 = 8,458,668.62 : x
  2. Step 2: Convert to fraction form
    12,501,753.62/18,739,842.93 = 8,458,668.62/x
  3. Step 3: Cross multiply
    12,501,753.62x = 18,739,842.93 × 8,458,668.62
  4. Step 4: Simplify right side
    12,501,753.62x = 158,514,121,335,719.84
  5. Step 5: Solve for x
    x = 158,514,121,335,719.84/12,501,753.62
  6. Step 6: Final answer
    x = 12,679,350.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.