Home / 12,485,856.66-17,232,674.97-7,260,481.71

Finding the Fourth Proportional to 12,485,856.66, 17,232,674.97 and 7,260,481.71

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Solution

The fourth proportional to 12,485,856.66, 17,232,674.97 and 7,260,481.71 is: 10,020,739.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,485,856.66 : 17,232,674.97 = 7,260,481.71 : x
  2. Step 2: Convert to fraction form
    12,485,856.66/17,232,674.97 = 7,260,481.71/x
  3. Step 3: Cross multiply
    12,485,856.66x = 17,232,674.97 × 7,260,481.71
  4. Step 4: Simplify right side
    12,485,856.66x = 125,117,521,434,059.80
  5. Step 5: Solve for x
    x = 125,117,521,434,059.80/12,485,856.66
  6. Step 6: Final answer
    x = 10,020,739.85

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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.