Home / 7,127,155.20-9,836,903.04-4,228,155.20

Finding the Fourth Proportional to 7,127,155.20, 9,836,903.04 and 4,228,155.20

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Solution

The fourth proportional to 7,127,155.20, 9,836,903.04 and 4,228,155.20 is: 5,835,701.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127,155.20 : 9,836,903.04 = 4,228,155.20 : x
  2. Step 2: Convert to fraction form
    7,127,155.20/9,836,903.04 = 4,228,155.20/x
  3. Step 3: Cross multiply
    7,127,155.20x = 9,836,903.04 × 4,228,155.20
  4. Step 4: Simplify right side
    7,127,155.20x = 41,591,952,740,471.80
  5. Step 5: Solve for x
    x = 41,591,952,740,471.80/7,127,155.20
  6. Step 6: Final answer
    x = 5,835,701.84

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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.