Home / 7,881,620.89-10,876,641.49-4,396,959.68

Finding the Fourth Proportional to 7,881,620.89, 10,876,641.49 and 4,396,959.68

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Solution

The fourth proportional to 7,881,620.89, 10,876,641.49 and 4,396,959.68 is: 6,067,806.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881,620.89 : 10,876,641.49 = 4,396,959.68 : x
  2. Step 2: Convert to fraction form
    7,881,620.89/10,876,641.49 = 4,396,959.68/x
  3. Step 3: Cross multiply
    7,881,620.89x = 10,876,641.49 × 4,396,959.68
  4. Step 4: Simplify right side
    7,881,620.89x = 47,824,154,047,161.12
  5. Step 5: Solve for x
    x = 47,824,154,047,161.12/7,881,620.89
  6. Step 6: Final answer
    x = 6,067,806.96

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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.