Home / 8,201,958.80-12,302,938.20-3,418,989.80

Finding the Fourth Proportional to 8,201,958.80, 12,302,938.20 and 3,418,989.80

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Solution

The fourth proportional to 8,201,958.80, 12,302,938.20 and 3,418,989.80 is: 5,128,484.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201,958.80 : 12,302,938.20 = 3,418,989.80 : x
  2. Step 2: Convert to fraction form
    8,201,958.80/12,302,938.20 = 3,418,989.80/x
  3. Step 3: Cross multiply
    8,201,958.80x = 12,302,938.20 × 3,418,989.80
  4. Step 4: Simplify right side
    8,201,958.80x = 42,063,620,215,830.35
  5. Step 5: Solve for x
    x = 42,063,620,215,830.35/8,201,958.80
  6. Step 6: Final answer
    x = 5,128,484.70

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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.