Home / 20,147,950.60-30,225,612.30-8,181,896.20

Finding the Fourth Proportional to 20,147,950.60, 30,225,612.30 and 8,181,896.20

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Solution

The fourth proportional to 20,147,950.60, 30,225,612.30 and 8,181,896.20 is: 12,274,341.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,147,950.60 : 30,225,612.30 = 8,181,896.20 : x
  2. Step 2: Convert to fraction form
    20,147,950.60/30,225,612.30 = 8,181,896.20/x
  3. Step 3: Cross multiply
    20,147,950.60x = 30,225,612.30 × 8,181,896.20
  4. Step 4: Simplify right side
    20,147,950.60x = 247,302,822,420,043.28
  5. Step 5: Solve for x
    x = 247,302,822,420,043.28/20,147,950.60
  6. Step 6: Final answer
    x = 12,274,341.31

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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.