Home / 6,396,924.78-8,822,039.67-5,307,470.73

Finding the Fourth Proportional to 6,396,924.78, 8,822,039.67 and 5,307,470.73

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Solution

The fourth proportional to 6,396,924.78, 8,822,039.67 and 5,307,470.73 is: 7,319,566.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,396,924.78 : 8,822,039.67 = 5,307,470.73 : x
  2. Step 2: Convert to fraction form
    6,396,924.78/8,822,039.67 = 5,307,470.73/x
  3. Step 3: Cross multiply
    6,396,924.78x = 8,822,039.67 × 5,307,470.73
  4. Step 4: Simplify right side
    6,396,924.78x = 46,822,717,327,423.86
  5. Step 5: Solve for x
    x = 46,822,717,327,423.86/6,396,924.78
  6. Step 6: Final answer
    x = 7,319,566.66

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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.