Home / 12,555,695.32-17,332,124.70-8,486,825.56

Finding the Fourth Proportional to 12,555,695.32, 17,332,124.70 and 8,486,825.56

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Solution

The fourth proportional to 12,555,695.32, 17,332,124.70 and 8,486,825.56 is: 11,715,378.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,555,695.32 : 17,332,124.70 = 8,486,825.56 : x
  2. Step 2: Convert to fraction form
    12,555,695.32/17,332,124.70 = 8,486,825.56/x
  3. Step 3: Cross multiply
    12,555,695.32x = 17,332,124.70 × 8,486,825.56
  4. Step 4: Simplify right side
    12,555,695.32x = 147,094,718,913,067.34
  5. Step 5: Solve for x
    x = 147,094,718,913,067.34/12,555,695.32
  6. Step 6: Final answer
    x = 11,715,378.17

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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.