Home / 7,884,007.20-11,826,010.80-5,191,372.80

Finding the Fourth Proportional to 7,884,007.20, 11,826,010.80 and 5,191,372.80

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Solution

The fourth proportional to 7,884,007.20, 11,826,010.80 and 5,191,372.80 is: 7,787,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,007.20 : 11,826,010.80 = 5,191,372.80 : x
  2. Step 2: Convert to fraction form
    7,884,007.20/11,826,010.80 = 5,191,372.80/x
  3. Step 3: Cross multiply
    7,884,007.20x = 11,826,010.80 × 5,191,372.80
  4. Step 4: Simplify right side
    7,884,007.20x = 61,393,230,799,626.24
  5. Step 5: Solve for x
    x = 61,393,230,799,626.24/7,884,007.20
  6. Step 6: Final answer
    x = 7,787,059.20

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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.