Home / 31,708,911.60-43,758,871.32-17,960,720.88

Finding the Fourth Proportional to 31,708,911.60, 43,758,871.32 and 17,960,720.88

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Solution

The fourth proportional to 31,708,911.60, 43,758,871.32 and 17,960,720.88 is: 24,786,119.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,708,911.60 : 43,758,871.32 = 17,960,720.88 : x
  2. Step 2: Convert to fraction form
    31,708,911.60/43,758,871.32 = 17,960,720.88/x
  3. Step 3: Cross multiply
    31,708,911.60x = 43,758,871.32 × 17,960,720.88
  4. Step 4: Simplify right side
    31,708,911.60x = 785,940,873,802,357.12
  5. Step 5: Solve for x
    x = 785,940,873,802,357.12/31,708,911.60
  6. Step 6: Final answer
    x = 24,786,119.55

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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.