Home / 8,215,037.80-11,332,980.48-5,315,373.88

Finding the Fourth Proportional to 8,215,037.80, 11,332,980.48 and 5,315,373.88

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Solution

The fourth proportional to 8,215,037.80, 11,332,980.48 and 5,315,373.88 is: 7,332,775.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215,037.80 : 11,332,980.48 = 5,315,373.88 : x
  2. Step 2: Convert to fraction form
    8,215,037.80/11,332,980.48 = 5,315,373.88/x
  3. Step 3: Cross multiply
    8,215,037.80x = 11,332,980.48 × 5,315,373.88
  4. Step 4: Simplify right side
    8,215,037.80x = 60,239,028,425,941.87
  5. Step 5: Solve for x
    x = 60,239,028,425,941.87/8,215,037.80
  6. Step 6: Final answer
    x = 7,332,775.56

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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.