Home / 7,127,155.95-9,836,904.08-4,228,155.95

Finding the Fourth Proportional to 7,127,155.95, 9,836,904.08 and 4,228,155.95

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Solution

The fourth proportional to 7,127,155.95, 9,836,904.08 and 4,228,155.95 is: 5,835,702.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127,155.95 : 9,836,904.08 = 4,228,155.95 : x
  2. Step 2: Convert to fraction form
    7,127,155.95/9,836,904.08 = 4,228,155.95/x
  3. Step 3: Cross multiply
    7,127,155.95x = 9,836,904.08 × 4,228,155.95
  4. Step 4: Simplify right side
    7,127,155.95x = 41,591,964,494,290.49
  5. Step 5: Solve for x
    x = 41,591,964,494,290.49/7,127,155.95
  6. Step 6: Final answer
    x = 5,835,702.88

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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.