Home / 52,259,795.45-78,384,627.84-15,868,505.67

Finding the Fourth Proportional to 52,259,795.45, 78,384,627.84 and 15,868,505.67

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Solution

The fourth proportional to 52,259,795.45, 78,384,627.84 and 15,868,505.67 is: 23,801,220.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,259,795.45 : 78,384,627.84 = 15,868,505.67 : x
  2. Step 2: Convert to fraction form
    52,259,795.45/78,384,627.84 = 15,868,505.67/x
  3. Step 3: Cross multiply
    52,259,795.45x = 78,384,627.84 × 15,868,505.67
  4. Step 4: Simplify right side
    52,259,795.45x = 1,243,846,911,319,880
  5. Step 5: Solve for x
    x = 1,243,846,911,319,880/52,259,795.45
  6. Step 6: Final answer
    x = 23,801,220.43

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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.