Home / 12,894,440.46-17,793,627.12-7,092,285.72

Finding the Fourth Proportional to 12,894,440.46, 17,793,627.12 and 7,092,285.72

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Solution

The fourth proportional to 12,894,440.46, 17,793,627.12 and 7,092,285.72 is: 9,786,968.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,894,440.46 : 17,793,627.12 = 7,092,285.72 : x
  2. Step 2: Convert to fraction form
    12,894,440.46/17,793,627.12 = 7,092,285.72/x
  3. Step 3: Cross multiply
    12,894,440.46x = 17,793,627.12 × 7,092,285.72
  4. Step 4: Simplify right side
    12,894,440.46x = 126,197,487,530,180.73
  5. Step 5: Solve for x
    x = 126,197,487,530,180.73/12,894,440.46
  6. Step 6: Final answer
    x = 9,786,968.88

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1.5x scale

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.