Home / 12,489,361.25-17,225,775.70-10,749,943.76

Finding the Fourth Proportional to 12,489,361.25, 17,225,775.70 and 10,749,943.76

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Solution

The fourth proportional to 12,489,361.25, 17,225,775.70 and 10,749,943.76 is: 14,826,708.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,489,361.25 : 17,225,775.70 = 10,749,943.76 : x
  2. Step 2: Convert to fraction form
    12,489,361.25/17,225,775.70 = 10,749,943.76/x
  3. Step 3: Cross multiply
    12,489,361.25x = 17,225,775.70 × 10,749,943.76
  4. Step 4: Simplify right side
    12,489,361.25x = 185,176,119,884,370.94
  5. Step 5: Solve for x
    x = 185,176,119,884,370.94/12,489,361.25
  6. Step 6: Final answer
    x = 14,826,708.61

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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.