Home / 18,722,406.80-28,083,610.20-15,852,625.40

Finding the Fourth Proportional to 18,722,406.80, 28,083,610.20 and 15,852,625.40

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Solution

The fourth proportional to 18,722,406.80, 28,083,610.20 and 15,852,625.40 is: 23,778,938.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,406.80 : 28,083,610.20 = 15,852,625.40 : x
  2. Step 2: Convert to fraction form
    18,722,406.80/28,083,610.20 = 15,852,625.40/x
  3. Step 3: Cross multiply
    18,722,406.80x = 28,083,610.20 × 15,852,625.40
  4. Step 4: Simplify right side
    18,722,406.80x = 445,198,952,380,219.06
  5. Step 5: Solve for x
    x = 445,198,952,380,219.06/18,722,406.80
  6. Step 6: Final answer
    x = 23,778,938.10

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1.5x scale

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.