Home / 29,147,327.40-43,720,991.10-20,455,314.60

Finding the Fourth Proportional to 29,147,327.40, 43,720,991.10 and 20,455,314.60

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Solution

The fourth proportional to 29,147,327.40, 43,720,991.10 and 20,455,314.60 is: 30,682,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,147,327.40 : 43,720,991.10 = 20,455,314.60 : x
  2. Step 2: Convert to fraction form
    29,147,327.40/43,720,991.10 = 20,455,314.60/x
  3. Step 3: Cross multiply
    29,147,327.40x = 43,720,991.10 × 20,455,314.60
  4. Step 4: Simplify right side
    29,147,327.40x = 894,326,627,574,300.12
  5. Step 5: Solve for x
    x = 894,326,627,574,300.12/29,147,327.40
  6. Step 6: Final answer
    x = 30,682,971.90

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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.