Home / 19,487,414.70-29,229,022.53-5,111,923.50

Finding the Fourth Proportional to 19,487,414.70, 29,229,022.53 and 5,111,923.50

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Solution

The fourth proportional to 19,487,414.70, 29,229,022.53 and 5,111,923.50 is: 7,667,334.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487,414.70 : 29,229,022.53 = 5,111,923.50 : x
  2. Step 2: Convert to fraction form
    19,487,414.70/29,229,022.53 = 5,111,923.50/x
  3. Step 3: Cross multiply
    19,487,414.70x = 29,229,022.53 × 5,111,923.50
  4. Step 4: Simplify right side
    19,487,414.70x = 149,416,527,153,136.47
  5. Step 5: Solve for x
    x = 149,416,527,153,136.47/19,487,414.70
  6. Step 6: Final answer
    x = 7,667,334.51

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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.