Home / 7,230,573.12-9,977,856.96-3,967,306.56

Finding the Fourth Proportional to 7,230,573.12, 9,977,856.96 and 3,967,306.56

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Solution

The fourth proportional to 7,230,573.12, 9,977,856.96 and 3,967,306.56 is: 5,474,699.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,230,573.12 : 9,977,856.96 = 3,967,306.56 : x
  2. Step 2: Convert to fraction form
    7,230,573.12/9,977,856.96 = 3,967,306.56/x
  3. Step 3: Cross multiply
    7,230,573.12x = 9,977,856.96 × 3,967,306.56
  4. Step 4: Simplify right side
    7,230,573.12x = 39,585,217,372,149.66
  5. Step 5: Solve for x
    x = 39,585,217,372,149.66/7,230,573.12
  6. Step 6: Final answer
    x = 5,474,699.82

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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.