Home / 28,732,005.20-43,098,007.80-17,982,462.80

Finding the Fourth Proportional to 28,732,005.20, 43,098,007.80 and 17,982,462.80

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Solution

The fourth proportional to 28,732,005.20, 43,098,007.80 and 17,982,462.80 is: 26,973,694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,732,005.20 : 43,098,007.80 = 17,982,462.80 : x
  2. Step 2: Convert to fraction form
    28,732,005.20/43,098,007.80 = 17,982,462.80/x
  3. Step 3: Cross multiply
    28,732,005.20x = 43,098,007.80 × 17,982,462.80
  4. Step 4: Simplify right side
    28,732,005.20x = 775,008,322,017,609.88
  5. Step 5: Solve for x
    x = 775,008,322,017,609.88/28,732,005.20
  6. Step 6: Final answer
    x = 26,973,694.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.