Home / 31,894,967.40-47,809,791.90-15,696,004.20

Finding the Fourth Proportional to 31,894,967.40, 47,809,791.90 and 15,696,004.20

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Solution

The fourth proportional to 31,894,967.40, 47,809,791.90 and 15,696,004.20 is: 23,527,934.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,894,967.40 : 47,809,791.90 = 15,696,004.20 : x
  2. Step 2: Convert to fraction form
    31,894,967.40/47,809,791.90 = 15,696,004.20/x
  3. Step 3: Cross multiply
    31,894,967.40x = 47,809,791.90 × 15,696,004.20
  4. Step 4: Simplify right side
    31,894,967.40x = 750,422,694,463,525.88
  5. Step 5: Solve for x
    x = 750,422,694,463,525.88/31,894,967.40
  6. Step 6: Final answer
    x = 23,527,934.21

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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.