Home / 15,605,998.80-23,408,998.20-8,413,830.60

Finding the Fourth Proportional to 15,605,998.80, 23,408,998.20 and 8,413,830.60

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Solution

The fourth proportional to 15,605,998.80, 23,408,998.20 and 8,413,830.60 is: 12,620,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,605,998.80 : 23,408,998.20 = 8,413,830.60 : x
  2. Step 2: Convert to fraction form
    15,605,998.80/23,408,998.20 = 8,413,830.60/x
  3. Step 3: Cross multiply
    15,605,998.80x = 23,408,998.20 × 8,413,830.60
  4. Step 4: Simplify right side
    15,605,998.80x = 196,959,345,370,504.91
  5. Step 5: Solve for x
    x = 196,959,345,370,504.91/15,605,998.80
  6. Step 6: Final answer
    x = 12,620,745.90

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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.