Home / 8,308,086.40-12,462,129.60-5,471,401.60

Finding the Fourth Proportional to 8,308,086.40, 12,462,129.60 and 5,471,401.60

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Solution

The fourth proportional to 8,308,086.40, 12,462,129.60 and 5,471,401.60 is: 8,207,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308,086.40 : 12,462,129.60 = 5,471,401.60 : x
  2. Step 2: Convert to fraction form
    8,308,086.40/12,462,129.60 = 5,471,401.60/x
  3. Step 3: Cross multiply
    8,308,086.40x = 12,462,129.60 × 5,471,401.60
  4. Step 4: Simplify right side
    8,308,086.40x = 68,185,315,832,847.35
  5. Step 5: Solve for x
    x = 68,185,315,832,847.35/8,308,086.40
  6. Step 6: Final answer
    x = 8,207,102.40

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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.