Home / 28,912,078.80-43,368,118.20-27,636,620.40

Finding the Fourth Proportional to 28,912,078.80, 43,368,118.20 and 27,636,620.40

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Solution

The fourth proportional to 28,912,078.80, 43,368,118.20 and 27,636,620.40 is: 41,454,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,912,078.80 : 43,368,118.20 = 27,636,620.40 : x
  2. Step 2: Convert to fraction form
    28,912,078.80/43,368,118.20 = 27,636,620.40/x
  3. Step 3: Cross multiply
    28,912,078.80x = 43,368,118.20 × 27,636,620.40
  4. Step 4: Simplify right side
    28,912,078.80x = 1,198,548,220,155,731.25
  5. Step 5: Solve for x
    x = 1,198,548,220,155,731.25/28,912,078.80
  6. Step 6: Final answer
    x = 41,454,930.60

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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.