Home / 28,512,059.70-42,759,795.15-15,738,683.70

Finding the Fourth Proportional to 28,512,059.70, 42,759,795.15 and 15,738,683.70

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Solution

The fourth proportional to 28,512,059.70, 42,759,795.15 and 15,738,683.70 is: 23,603,447.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,512,059.70 : 42,759,795.15 = 15,738,683.70 : x
  2. Step 2: Convert to fraction form
    28,512,059.70/42,759,795.15 = 15,738,683.70/x
  3. Step 3: Cross multiply
    28,512,059.70x = 42,759,795.15 × 15,738,683.70
  4. Step 4: Simplify right side
    28,512,059.70x = 672,982,890,942,644
  5. Step 5: Solve for x
    x = 672,982,890,942,644/28,512,059.70
  6. Step 6: Final answer
    x = 23,603,447.03

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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.