Home / 13,858,565.86-20,787,620.08-4,143,201.60

Finding the Fourth Proportional to 13,858,565.86, 20,787,620.08 and 4,143,201.60

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Solution

The fourth proportional to 13,858,565.86, 20,787,620.08 and 4,143,201.60 is: 6,214,734.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858,565.86 : 20,787,620.08 = 4,143,201.60 : x
  2. Step 2: Convert to fraction form
    13,858,565.86/20,787,620.08 = 4,143,201.60/x
  3. Step 3: Cross multiply
    13,858,565.86x = 20,787,620.08 × 4,143,201.60
  4. Step 4: Simplify right side
    13,858,565.86x = 86,127,300,775,648.12
  5. Step 5: Solve for x
    x = 86,127,300,775,648.12/13,858,565.86
  6. Step 6: Final answer
    x = 6,214,734.03

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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.