Home / 21,915,961.70-32,873,942.55-9,145,631.30

Finding the Fourth Proportional to 21,915,961.70, 32,873,942.55 and 9,145,631.30

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Solution

The fourth proportional to 21,915,961.70, 32,873,942.55 and 9,145,631.30 is: 13,718,446.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,915,961.70 : 32,873,942.55 = 9,145,631.30 : x
  2. Step 2: Convert to fraction form
    21,915,961.70/32,873,942.55 = 9,145,631.30/x
  3. Step 3: Cross multiply
    21,915,961.70x = 32,873,942.55 × 9,145,631.30
  4. Step 4: Simplify right side
    21,915,961.70x = 300,652,957,939,681.88
  5. Step 5: Solve for x
    x = 300,652,957,939,681.88/21,915,961.70
  6. Step 6: Final answer
    x = 13,718,446.95

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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.