Home / 7,763,911.20-11,646,212.40-2,646,266.40

Finding the Fourth Proportional to 7,763,911.20, 11,646,212.40 and 2,646,266.40

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Solution

The fourth proportional to 7,763,911.20, 11,646,212.40 and 2,646,266.40 is: 3,969,517.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763,911.20 : 11,646,212.40 = 2,646,266.40 : x
  2. Step 2: Convert to fraction form
    7,763,911.20/11,646,212.40 = 2,646,266.40/x
  3. Step 3: Cross multiply
    7,763,911.20x = 11,646,212.40 × 2,646,266.40
  4. Step 4: Simplify right side
    7,763,911.20x = 30,818,980,561,383.36
  5. Step 5: Solve for x
    x = 30,818,980,561,383.36/7,763,911.20
  6. Step 6: Final answer
    x = 3,969,517.39

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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.