Home / 8,694,872.80-13,042,309.20-5,104,693.60

Finding the Fourth Proportional to 8,694,872.80, 13,042,309.20 and 5,104,693.60

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Solution

The fourth proportional to 8,694,872.80, 13,042,309.20 and 5,104,693.60 is: 7,657,040.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694,872.80 : 13,042,309.20 = 5,104,693.60 : x
  2. Step 2: Convert to fraction form
    8,694,872.80/13,042,309.20 = 5,104,693.60/x
  3. Step 3: Cross multiply
    8,694,872.80x = 13,042,309.20 × 5,104,693.60
  4. Step 4: Simplify right side
    8,694,872.80x = 66,576,992,302,461.11
  5. Step 5: Solve for x
    x = 66,576,992,302,461.11/8,694,872.80
  6. Step 6: Final answer
    x = 7,657,040.40

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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.