Home / 13,615,868.85-20,424,024.92-3,900,444.06

Finding the Fourth Proportional to 13,615,868.85, 20,424,024.92 and 3,900,444.06

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Solution

The fourth proportional to 13,615,868.85, 20,424,024.92 and 3,900,444.06 is: 5,850,729.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,615,868.85 : 20,424,024.92 = 3,900,444.06 : x
  2. Step 2: Convert to fraction form
    13,615,868.85/20,424,024.92 = 3,900,444.06/x
  3. Step 3: Cross multiply
    13,615,868.85x = 20,424,024.92 × 3,900,444.06
  4. Step 4: Simplify right side
    13,615,868.85x = 79,662,766,766,847.19
  5. Step 5: Solve for x
    x = 79,662,766,766,847.19/13,615,868.85
  6. Step 6: Final answer
    x = 5,850,729.59

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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.