Home / 18,801,376.60-28,202,064.90-5,338,204.60

Finding the Fourth Proportional to 18,801,376.60, 28,202,064.90 and 5,338,204.60

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Solution

The fourth proportional to 18,801,376.60, 28,202,064.90 and 5,338,204.60 is: 8,007,306.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,801,376.60 : 28,202,064.90 = 5,338,204.60 : x
  2. Step 2: Convert to fraction form
    18,801,376.60/28,202,064.90 = 5,338,204.60/x
  3. Step 3: Cross multiply
    18,801,376.60x = 28,202,064.90 × 5,338,204.60
  4. Step 4: Simplify right side
    18,801,376.60x = 150,548,392,578,678.53
  5. Step 5: Solve for x
    x = 150,548,392,578,678.53/18,801,376.60
  6. Step 6: Final answer
    x = 8,007,306.90

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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.