Home / 14,667,077.70-21,991,868.55-8,991,375.30

Finding the Fourth Proportional to 14,667,077.70, 21,991,868.55 and 8,991,375.30

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Solution

The fourth proportional to 14,667,077.70, 21,991,868.55 and 8,991,375.30 is: 13,481,700.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,667,077.70 : 21,991,868.55 = 8,991,375.30 : x
  2. Step 2: Convert to fraction form
    14,667,077.70/21,991,868.55 = 8,991,375.30/x
  3. Step 3: Cross multiply
    14,667,077.70x = 21,991,868.55 × 8,991,375.30
  4. Step 4: Simplify right side
    14,667,077.70x = 197,737,143,681,316.84
  5. Step 5: Solve for x
    x = 197,737,143,681,316.84/14,667,077.70
  6. Step 6: Final answer
    x = 13,481,700.15

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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.