Home / 31,178,162.43-43,024,973.45-17,239,277.43

Finding the Fourth Proportional to 31,178,162.43, 43,024,973.45 and 17,239,277.43

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Solution

The fourth proportional to 31,178,162.43, 43,024,973.45 and 17,239,277.43 is: 23,789,710.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,178,162.43 : 43,024,973.45 = 17,239,277.43 : x
  2. Step 2: Convert to fraction form
    31,178,162.43/43,024,973.45 = 17,239,277.43/x
  3. Step 3: Cross multiply
    31,178,162.43x = 43,024,973.45 × 17,239,277.43
  4. Step 4: Simplify right side
    31,178,162.43x = 741,719,453,636,737.88
  5. Step 5: Solve for x
    x = 741,719,453,636,737.88/31,178,162.43
  6. Step 6: Final answer
    x = 23,789,710.36

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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.