Home / 20,101,735.54-30,155,966.51-15,783,611.57

Finding the Fourth Proportional to 20,101,735.54, 30,155,966.51 and 15,783,611.57

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Solution

The fourth proportional to 20,101,735.54, 30,155,966.51 and 15,783,611.57 is: 23,678,058.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,101,735.54 : 30,155,966.51 = 15,783,611.57 : x
  2. Step 2: Convert to fraction form
    20,101,735.54/30,155,966.51 = 15,783,611.57/x
  3. Step 3: Cross multiply
    20,101,735.54x = 30,155,966.51 × 15,783,611.57
  4. Step 4: Simplify right side
    20,101,735.54x = 475,970,061,795,155.50
  5. Step 5: Solve for x
    x = 475,970,061,795,155.50/20,101,735.54
  6. Step 6: Final answer
    x = 23,678,058.09

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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.