Home / 6,313,721.76-8,715,305.45-4,138,405.10

Finding the Fourth Proportional to 6,313,721.76, 8,715,305.45 and 4,138,405.10

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Solution

The fourth proportional to 6,313,721.76, 8,715,305.45 and 4,138,405.10 is: 5,712,552.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,313,721.76 : 8,715,305.45 = 4,138,405.10 : x
  2. Step 2: Convert to fraction form
    6,313,721.76/8,715,305.45 = 4,138,405.10/x
  3. Step 3: Cross multiply
    6,313,721.76x = 8,715,305.45 × 4,138,405.10
  4. Step 4: Simplify right side
    6,313,721.76x = 36,067,464,501,645.77
  5. Step 5: Solve for x
    x = 36,067,464,501,645.77/6,313,721.76
  6. Step 6: Final answer
    x = 5,712,552.10

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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.