Home / 8,791,890.60-13,189,391.10-3,115,410.60

Finding the Fourth Proportional to 8,791,890.60, 13,189,391.10 and 3,115,410.60

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Solution

The fourth proportional to 8,791,890.60, 13,189,391.10 and 3,115,410.60 is: 4,673,666.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791,890.60 : 13,189,391.10 = 3,115,410.60 : x
  2. Step 2: Convert to fraction form
    8,791,890.60/13,189,391.10 = 3,115,410.60/x
  3. Step 3: Cross multiply
    8,791,890.60x = 13,189,391.10 × 3,115,410.60
  4. Step 4: Simplify right side
    8,791,890.60x = 41,090,368,840,485.66
  5. Step 5: Solve for x
    x = 41,090,368,840,485.66/8,791,890.60
  6. Step 6: Final answer
    x = 4,673,666.99

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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.