Home / 29,072,845.60-43,609,268.40-20,002,919.20

Finding the Fourth Proportional to 29,072,845.60, 43,609,268.40 and 20,002,919.20

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Solution

The fourth proportional to 29,072,845.60, 43,609,268.40 and 20,002,919.20 is: 30,004,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,072,845.60 : 43,609,268.40 = 20,002,919.20 : x
  2. Step 2: Convert to fraction form
    29,072,845.60/43,609,268.40 = 20,002,919.20/x
  3. Step 3: Cross multiply
    29,072,845.60x = 43,609,268.40 × 20,002,919.20
  4. Step 4: Simplify right side
    29,072,845.60x = 872,312,672,176,313.25
  5. Step 5: Solve for x
    x = 872,312,672,176,313.25/29,072,845.60
  6. Step 6: Final answer
    x = 30,004,378.80

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1.5x scale

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.