Home / 13,680,790.75-20,521,423.96-5,040,443.80

Finding the Fourth Proportional to 13,680,790.75, 20,521,423.96 and 5,040,443.80

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Solution

The fourth proportional to 13,680,790.75, 20,521,423.96 and 5,040,443.80 is: 7,560,753.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,680,790.75 : 20,521,423.96 = 5,040,443.80 : x
  2. Step 2: Convert to fraction form
    13,680,790.75/20,521,423.96 = 5,040,443.80/x
  3. Step 3: Cross multiply
    13,680,790.75x = 20,521,423.96 × 5,040,443.80
  4. Step 4: Simplify right side
    13,680,790.75x = 103,437,084,207,756.61
  5. Step 5: Solve for x
    x = 103,437,084,207,756.61/13,680,790.75
  6. Step 6: Final answer
    x = 7,560,753.33

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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.