Home / 7,764,342.40-11,646,513.60-2,085,140.80

Finding the Fourth Proportional to 7,764,342.40, 11,646,513.60 and 2,085,140.80

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Solution

The fourth proportional to 7,764,342.40, 11,646,513.60 and 2,085,140.80 is: 3,127,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764,342.40 : 11,646,513.60 = 2,085,140.80 : x
  2. Step 2: Convert to fraction form
    7,764,342.40/11,646,513.60 = 2,085,140.80/x
  3. Step 3: Cross multiply
    7,764,342.40x = 11,646,513.60 × 2,085,140.80
  4. Step 4: Simplify right side
    7,764,342.40x = 24,284,620,685,114.88
  5. Step 5: Solve for x
    x = 24,284,620,685,114.88/7,764,342.40
  6. Step 6: Final answer
    x = 3,127,711.20

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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.