Home / 21,010,660.23-31,513,623.24-5,659,073.55

Finding the Fourth Proportional to 21,010,660.23, 31,513,623.24 and 5,659,073.55

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Solution

The fourth proportional to 21,010,660.23, 31,513,623.24 and 5,659,073.55 is: 8,487,972.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,010,660.23 : 31,513,623.24 = 5,659,073.55 : x
  2. Step 2: Convert to fraction form
    21,010,660.23/31,513,623.24 = 5,659,073.55/x
  3. Step 3: Cross multiply
    21,010,660.23x = 31,513,623.24 × 5,659,073.55
  4. Step 4: Simplify right side
    21,010,660.23x = 178,337,911,742,149.28
  5. Step 5: Solve for x
    x = 178,337,911,742,149.28/21,010,660.23
  6. Step 6: Final answer
    x = 8,487,972.76

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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.