Home / 8,499,876.63-11,728,842.98-5,190,508.23

Finding the Fourth Proportional to 8,499,876.63, 11,728,842.98 and 5,190,508.23

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Solution

The fourth proportional to 8,499,876.63, 11,728,842.98 and 5,190,508.23 is: 7,162,298.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499,876.63 : 11,728,842.98 = 5,190,508.23 : x
  2. Step 2: Convert to fraction form
    8,499,876.63/11,728,842.98 = 5,190,508.23/x
  3. Step 3: Cross multiply
    8,499,876.63x = 11,728,842.98 × 5,190,508.23
  4. Step 4: Simplify right side
    8,499,876.63x = 60,878,655,990,115.19
  5. Step 5: Solve for x
    x = 60,878,655,990,115.19/8,499,876.63
  6. Step 6: Final answer
    x = 7,162,298.78

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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.