Home / 40,975,452.27-61,469,848.76-19,137,669.21

Finding the Fourth Proportional to 40,975,452.27, 61,469,848.76 and 19,137,669.21

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Solution

The fourth proportional to 40,975,452.27, 61,469,848.76 and 19,137,669.21 is: 28,709,619.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,975,452.27 : 61,469,848.76 = 19,137,669.21 : x
  2. Step 2: Convert to fraction form
    40,975,452.27/61,469,848.76 = 19,137,669.21/x
  3. Step 3: Cross multiply
    40,975,452.27x = 61,469,848.76 × 19,137,669.21
  4. Step 4: Simplify right side
    40,975,452.27x = 1,176,389,631,861,920.50
  5. Step 5: Solve for x
    x = 1,176,389,631,861,920.50/40,975,452.27
  6. Step 6: Final answer
    x = 28,709,619.22

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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.