Home / 40,268,020.96-60,289,466.54-21,757,646.62

Finding the Fourth Proportional to 40,268,020.96, 60,289,466.54 and 21,757,646.62

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Solution

The fourth proportional to 40,268,020.96, 60,289,466.54 and 21,757,646.62 is: 32,575,648.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,268,020.96 : 60,289,466.54 = 21,757,646.62 : x
  2. Step 2: Convert to fraction form
    40,268,020.96/60,289,466.54 = 21,757,646.62/x
  3. Step 3: Cross multiply
    40,268,020.96x = 60,289,466.54 × 21,757,646.62
  4. Step 4: Simplify right side
    40,268,020.96x = 1,311,756,907,584,186.75
  5. Step 5: Solve for x
    x = 1,311,756,907,584,186.75/40,268,020.96
  6. Step 6: Final answer
    x = 32,575,648.78

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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.