Home / 29,147,330.40-43,720,995.60-20,455,317.60

Finding the Fourth Proportional to 29,147,330.40, 43,720,995.60 and 20,455,317.60

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Solution

The fourth proportional to 29,147,330.40, 43,720,995.60 and 20,455,317.60 is: 30,682,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,147,330.40 : 43,720,995.60 = 20,455,317.60 : x
  2. Step 2: Convert to fraction form
    29,147,330.40/43,720,995.60 = 20,455,317.60/x
  3. Step 3: Cross multiply
    29,147,330.40x = 43,720,995.60 × 20,455,317.60
  4. Step 4: Simplify right side
    29,147,330.40x = 894,326,850,786,202.62
  5. Step 5: Solve for x
    x = 894,326,850,786,202.62/29,147,330.40
  6. Step 6: Final answer
    x = 30,682,976.40

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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.