Home / 8,309,507.40-11,469,032.87-4,872,855.60

Finding the Fourth Proportional to 8,309,507.40, 11,469,032.87 and 4,872,855.60

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Solution

The fourth proportional to 8,309,507.40, 11,469,032.87 and 4,872,855.60 is: 6,725,662.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,507.40 : 11,469,032.87 = 4,872,855.60 : x
  2. Step 2: Convert to fraction form
    8,309,507.40/11,469,032.87 = 4,872,855.60/x
  3. Step 3: Cross multiply
    8,309,507.40x = 11,469,032.87 × 4,872,855.60
  4. Step 4: Simplify right side
    8,309,507.40x = 55,886,941,022,799.29
  5. Step 5: Solve for x
    x = 55,886,941,022,799.29/8,309,507.40
  6. Step 6: Final answer
    x = 6,725,662.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.