Home / 38,122,268.58-52,609,137.03-20,718,614.70

Finding the Fourth Proportional to 38,122,268.58, 52,609,137.03 and 20,718,614.70

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Solution

The fourth proportional to 38,122,268.58, 52,609,137.03 and 20,718,614.70 is: 28,591,909.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,122,268.58 : 52,609,137.03 = 20,718,614.70 : x
  2. Step 2: Convert to fraction form
    38,122,268.58/52,609,137.03 = 20,718,614.70/x
  3. Step 3: Cross multiply
    38,122,268.58x = 52,609,137.03 × 20,718,614.70
  4. Step 4: Simplify right side
    38,122,268.58x = 1,089,988,439,824,072.38
  5. Step 5: Solve for x
    x = 1,089,988,439,824,072.38/38,122,268.58
  6. Step 6: Final answer
    x = 28,591,909.15

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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.