Home / 20,861,544.80-31,292,317.20-17,712,264.80

Finding the Fourth Proportional to 20,861,544.80, 31,292,317.20 and 17,712,264.80

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Solution

The fourth proportional to 20,861,544.80, 31,292,317.20 and 17,712,264.80 is: 26,568,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,861,544.80 : 31,292,317.20 = 17,712,264.80 : x
  2. Step 2: Convert to fraction form
    20,861,544.80/31,292,317.20 = 17,712,264.80/x
  3. Step 3: Cross multiply
    20,861,544.80x = 31,292,317.20 × 17,712,264.80
  4. Step 4: Simplify right side
    20,861,544.80x = 554,257,808,451,994.56
  5. Step 5: Solve for x
    x = 554,257,808,451,994.56/20,861,544.80
  6. Step 6: Final answer
    x = 26,568,397.20

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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.