Home / 31,527,930.40-47,291,895.60-17,145,440.80

Finding the Fourth Proportional to 31,527,930.40, 47,291,895.60 and 17,145,440.80

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Solution

The fourth proportional to 31,527,930.40, 47,291,895.60 and 17,145,440.80 is: 25,718,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,527,930.40 : 47,291,895.60 = 17,145,440.80 : x
  2. Step 2: Convert to fraction form
    31,527,930.40/47,291,895.60 = 17,145,440.80/x
  3. Step 3: Cross multiply
    31,527,930.40x = 47,291,895.60 × 17,145,440.80
  4. Step 4: Simplify right side
    31,527,930.40x = 810,840,396,329,580.50
  5. Step 5: Solve for x
    x = 810,840,396,329,580.50/31,527,930.40
  6. Step 6: Final answer
    x = 25,718,161.20

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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.