Home / 7,472,769.60-11,205,007.20-2,979,969.60

Finding the Fourth Proportional to 7,472,769.60, 11,205,007.20 and 2,979,969.60

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Solution

The fourth proportional to 7,472,769.60, 11,205,007.20 and 2,979,969.60 is: 4,468,300.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472,769.60 : 11,205,007.20 = 2,979,969.60 : x
  2. Step 2: Convert to fraction form
    7,472,769.60/11,205,007.20 = 2,979,969.60/x
  3. Step 3: Cross multiply
    7,472,769.60x = 11,205,007.20 × 2,979,969.60
  4. Step 4: Simplify right side
    7,472,769.60x = 33,390,580,823,781.12
  5. Step 5: Solve for x
    x = 33,390,580,823,781.12/7,472,769.60
  6. Step 6: Final answer
    x = 4,468,300.59

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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.