Home / 7,721,278.92-10,656,286.02-4,458,888.36

Finding the Fourth Proportional to 7,721,278.92, 10,656,286.02 and 4,458,888.36

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Solution

The fourth proportional to 7,721,278.92, 10,656,286.02 and 4,458,888.36 is: 6,153,797.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721,278.92 : 10,656,286.02 = 4,458,888.36 : x
  2. Step 2: Convert to fraction form
    7,721,278.92/10,656,286.02 = 4,458,888.36/x
  3. Step 3: Cross multiply
    7,721,278.92x = 10,656,286.02 × 4,458,888.36
  4. Step 4: Simplify right side
    7,721,278.92x = 47,515,189,695,408.73
  5. Step 5: Solve for x
    x = 47,515,189,695,408.73/7,721,278.92
  6. Step 6: Final answer
    x = 6,153,797.86

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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.