Home / 13,886,650.71-20,819,887.20-5,801,938.38

Finding the Fourth Proportional to 13,886,650.71, 20,819,887.20 and 5,801,938.38

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Solution

The fourth proportional to 13,886,650.71, 20,819,887.20 and 5,801,938.38 is: 8,698,692.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886,650.71 : 20,819,887.20 = 5,801,938.38 : x
  2. Step 2: Convert to fraction form
    13,886,650.71/20,819,887.20 = 5,801,938.38/x
  3. Step 3: Cross multiply
    13,886,650.71x = 20,819,887.20 × 5,801,938.38
  4. Step 4: Simplify right side
    13,886,650.71x = 120,795,702,612,950.73
  5. Step 5: Solve for x
    x = 120,795,702,612,950.73/13,886,650.71
  6. Step 6: Final answer
    x = 8,698,692.37

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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.