Home / 49,539,287.12-74,279,496.15-18,836,111.57

Finding the Fourth Proportional to 49,539,287.12, 74,279,496.15 and 18,836,111.57

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Solution

The fourth proportional to 49,539,287.12, 74,279,496.15 and 18,836,111.57 is: 28,242,975.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,539,287.12 : 74,279,496.15 = 18,836,111.57 : x
  2. Step 2: Convert to fraction form
    49,539,287.12/74,279,496.15 = 18,836,111.57/x
  3. Step 3: Cross multiply
    49,539,287.12x = 74,279,496.15 × 18,836,111.57
  4. Step 4: Simplify right side
    49,539,287.12x = 1,399,136,876,473,388.25
  5. Step 5: Solve for x
    x = 1,399,136,876,473,388.25/49,539,287.12
  6. Step 6: Final answer
    x = 28,242,975.58

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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.