Home / 38,388,136.35-52,975,632.15-20,984,552.49

Finding the Fourth Proportional to 38,388,136.35, 52,975,632.15 and 20,984,552.49

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Solution

The fourth proportional to 38,388,136.35, 52,975,632.15 and 20,984,552.49 is: 28,958,684.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,388,136.35 : 52,975,632.15 = 20,984,552.49 : x
  2. Step 2: Convert to fraction form
    38,388,136.35/52,975,632.15 = 20,984,552.49/x
  3. Step 3: Cross multiply
    38,388,136.35x = 52,975,632.15 × 20,984,552.49
  4. Step 4: Simplify right side
    38,388,136.35x = 1,111,669,933,542,606.38
  5. Step 5: Solve for x
    x = 1,111,669,933,542,606.38/38,388,136.35
  6. Step 6: Final answer
    x = 28,958,684.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.