Home / 20,101,834.84-30,156,114.76-15,783,710.24

Finding the Fourth Proportional to 20,101,834.84, 30,156,114.76 and 15,783,710.24

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Solution

The fourth proportional to 20,101,834.84, 30,156,114.76 and 15,783,710.24 is: 23,678,205.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,101,834.84 : 30,156,114.76 = 15,783,710.24 : x
  2. Step 2: Convert to fraction form
    20,101,834.84/30,156,114.76 = 15,783,710.24/x
  3. Step 3: Cross multiply
    20,101,834.84x = 30,156,114.76 × 15,783,710.24
  4. Step 4: Simplify right side
    20,101,834.84x = 475,975,377,336,027.19
  5. Step 5: Solve for x
    x = 475,975,377,336,027.19/20,101,834.84
  6. Step 6: Final answer
    x = 23,678,205.55

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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.