Home / 29,043,947.40-43,579,917.90-20,505,899.40

Finding the Fourth Proportional to 29,043,947.40, 43,579,917.90 and 20,505,899.40

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Solution

The fourth proportional to 29,043,947.40, 43,579,917.90 and 20,505,899.40 is: 30,768,731.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,043,947.40 : 43,579,917.90 = 20,505,899.40 : x
  2. Step 2: Convert to fraction form
    29,043,947.40/43,579,917.90 = 20,505,899.40/x
  3. Step 3: Cross multiply
    29,043,947.40x = 43,579,917.90 × 20,505,899.40
  4. Step 4: Simplify right side
    29,043,947.40x = 893,645,412,317,659.12
  5. Step 5: Solve for x
    x = 893,645,412,317,659.12/29,043,947.40
  6. Step 6: Final answer
    x = 30,768,731.26

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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.