Home / 8,256,708.20-12,387,030.60-3,993,370.40

Finding the Fourth Proportional to 8,256,708.20, 12,387,030.60 and 3,993,370.40

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Solution

The fourth proportional to 8,256,708.20, 12,387,030.60 and 3,993,370.40 is: 5,991,007.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256,708.20 : 12,387,030.60 = 3,993,370.40 : x
  2. Step 2: Convert to fraction form
    8,256,708.20/12,387,030.60 = 3,993,370.40/x
  3. Step 3: Cross multiply
    8,256,708.20x = 12,387,030.60 × 3,993,370.40
  4. Step 4: Simplify right side
    8,256,708.20x = 49,466,001,341,934.23
  5. Step 5: Solve for x
    x = 49,466,001,341,934.23/8,256,708.20
  6. Step 6: Final answer
    x = 5,991,007.57

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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.