Home / 6,120,009.60-9,171,616.24-3,872,123.52

Finding the Fourth Proportional to 6,120,009.60, 9,171,616.24 and 3,872,123.52

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Solution

The fourth proportional to 6,120,009.60, 9,171,616.24 and 3,872,123.52 is: 5,802,871.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120,009.60 : 9,171,616.24 = 3,872,123.52 : x
  2. Step 2: Convert to fraction form
    6,120,009.60/9,171,616.24 = 3,872,123.52/x
  3. Step 3: Cross multiply
    6,120,009.60x = 9,171,616.24 × 3,872,123.52
  4. Step 4: Simplify right side
    6,120,009.60x = 35,513,630,959,317.97
  5. Step 5: Solve for x
    x = 35,513,630,959,317.97/6,120,009.60
  6. Step 6: Final answer
    x = 5,802,871.77

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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.