Home / 8,407,668.86-12,582,899.10-5,167,498.08

Finding the Fourth Proportional to 8,407,668.86, 12,582,899.10 and 5,167,498.08

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Solution

The fourth proportional to 8,407,668.86, 12,582,899.10 and 5,167,498.08 is: 7,733,666.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,407,668.86 : 12,582,899.10 = 5,167,498.08 : x
  2. Step 2: Convert to fraction form
    8,407,668.86/12,582,899.10 = 5,167,498.08/x
  3. Step 3: Cross multiply
    8,407,668.86x = 12,582,899.10 × 5,167,498.08
  4. Step 4: Simplify right side
    8,407,668.86x = 65,022,106,940,083.73
  5. Step 5: Solve for x
    x = 65,022,106,940,083.73/8,407,668.86
  6. Step 6: Final answer
    x = 7,733,666.49

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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.