Home / 9,108,691.37-12,569,650.57-4,978,687.67

Finding the Fourth Proportional to 9,108,691.37, 12,569,650.57 and 4,978,687.67

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Solution

The fourth proportional to 9,108,691.37, 12,569,650.57 and 4,978,687.67 is: 6,870,401.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108,691.37 : 12,569,650.57 = 4,978,687.67 : x
  2. Step 2: Convert to fraction form
    9,108,691.37/12,569,650.57 = 4,978,687.67/x
  3. Step 3: Cross multiply
    9,108,691.37x = 12,569,650.57 × 4,978,687.67
  4. Step 4: Simplify right side
    9,108,691.37x = 62,580,364,309,067.47
  5. Step 5: Solve for x
    x = 62,580,364,309,067.47/9,108,691.37
  6. Step 6: Final answer
    x = 6,870,401.22

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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.