Home / 39,377,765.42-54,341,318.32-21,736,672.64

Finding the Fourth Proportional to 39,377,765.42, 54,341,318.32 and 21,736,672.64

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Solution

The fourth proportional to 39,377,765.42, 54,341,318.32 and 21,736,672.64 is: 29,996,609.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,377,765.42 : 54,341,318.32 = 21,736,672.64 : x
  2. Step 2: Convert to fraction form
    39,377,765.42/54,341,318.32 = 21,736,672.64/x
  3. Step 3: Cross multiply
    39,377,765.42x = 54,341,318.32 × 21,736,672.64
  4. Step 4: Simplify right side
    39,377,765.42x = 1,181,199,447,147,874.75
  5. Step 5: Solve for x
    x = 1,181,199,447,147,874.75/39,377,765.42
  6. Step 6: Final answer
    x = 29,996,609.37

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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.