Home / 6,422,340.30-9,641,731.34-5,517,312.88

Finding the Fourth Proportional to 6,422,340.30, 9,641,731.34 and 5,517,312.88

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Solution

The fourth proportional to 6,422,340.30, 9,641,731.34 and 5,517,312.88 is: 8,283,031.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422,340.30 : 9,641,731.34 = 5,517,312.88 : x
  2. Step 2: Convert to fraction form
    6,422,340.30/9,641,731.34 = 5,517,312.88/x
  3. Step 3: Cross multiply
    6,422,340.30x = 9,641,731.34 × 5,517,312.88
  4. Step 4: Simplify right side
    6,422,340.30x = 53,196,448,507,681.66
  5. Step 5: Solve for x
    x = 53,196,448,507,681.66/6,422,340.30
  6. Step 6: Final answer
    x = 8,283,031.73

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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.