Home / 28,077,975.12-42,089,061.96-19,540,375.44

Finding the Fourth Proportional to 28,077,975.12, 42,089,061.96 and 19,540,375.44

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Solution

The fourth proportional to 28,077,975.12, 42,089,061.96 and 19,540,375.44 is: 29,291,146.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,077,975.12 : 42,089,061.96 = 19,540,375.44 : x
  2. Step 2: Convert to fraction form
    28,077,975.12/42,089,061.96 = 19,540,375.44/x
  3. Step 3: Cross multiply
    28,077,975.12x = 42,089,061.96 × 19,540,375.44
  4. Step 4: Simplify right side
    28,077,975.12x = 822,436,072,615,822.38
  5. Step 5: Solve for x
    x = 822,436,072,615,822.38/28,077,975.12
  6. Step 6: Final answer
    x = 29,291,146.14

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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.