Home / 8,197,562.96-11,287,594.32-7,428,613.76

Finding the Fourth Proportional to 8,197,562.96, 11,287,594.32 and 7,428,613.76

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Solution

The fourth proportional to 8,197,562.96, 11,287,594.32 and 7,428,613.76 is: 10,228,793.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,197,562.96 : 11,287,594.32 = 7,428,613.76 : x
  2. Step 2: Convert to fraction form
    8,197,562.96/11,287,594.32 = 7,428,613.76/x
  3. Step 3: Cross multiply
    8,197,562.96x = 11,287,594.32 × 7,428,613.76
  4. Step 4: Simplify right side
    8,197,562.96x = 83,851,178,482,849.84
  5. Step 5: Solve for x
    x = 83,851,178,482,849.84/8,197,562.96
  6. Step 6: Final answer
    x = 10,228,793.47

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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.