Home / 29,135,318.20-43,702,977.30-15,530,428.60

Finding the Fourth Proportional to 29,135,318.20, 43,702,977.30 and 15,530,428.60

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Solution

The fourth proportional to 29,135,318.20, 43,702,977.30 and 15,530,428.60 is: 23,295,642.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,135,318.20 : 43,702,977.30 = 15,530,428.60 : x
  2. Step 2: Convert to fraction form
    29,135,318.20/43,702,977.30 = 15,530,428.60/x
  3. Step 3: Cross multiply
    29,135,318.20x = 43,702,977.30 × 15,530,428.60
  4. Step 4: Simplify right side
    29,135,318.20x = 678,725,968,565,070.75
  5. Step 5: Solve for x
    x = 678,725,968,565,070.75/29,135,318.20
  6. Step 6: Final answer
    x = 23,295,642.90

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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.