Home / 21,482,430.45-32,222,771.78-5,307,974.40

Finding the Fourth Proportional to 21,482,430.45, 32,222,771.78 and 5,307,974.40

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Solution

The fourth proportional to 21,482,430.45, 32,222,771.78 and 5,307,974.40 is: 7,961,745.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,482,430.45 : 32,222,771.78 = 5,307,974.40 : x
  2. Step 2: Convert to fraction form
    21,482,430.45/32,222,771.78 = 5,307,974.40/x
  3. Step 3: Cross multiply
    21,482,430.45x = 32,222,771.78 × 5,307,974.40
  4. Step 4: Simplify right side
    21,482,430.45x = 171,037,647,705,282.44
  5. Step 5: Solve for x
    x = 171,037,647,705,282.44/21,482,430.45
  6. Step 6: Final answer
    x = 7,961,745.67

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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.