Home / 13,107,331.20-19,702,987.20-9,346,857.60

Finding the Fourth Proportional to 13,107,331.20, 19,702,987.20 and 9,346,857.60

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Solution

The fourth proportional to 13,107,331.20, 19,702,987.20 and 9,346,857.60 is: 14,050,229.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107,331.20 : 19,702,987.20 = 9,346,857.60 : x
  2. Step 2: Convert to fraction form
    13,107,331.20/19,702,987.20 = 9,346,857.60/x
  3. Step 3: Cross multiply
    13,107,331.20x = 19,702,987.20 × 9,346,857.60
  4. Step 4: Simplify right side
    13,107,331.20x = 184,161,015,653,022.72
  5. Step 5: Solve for x
    x = 184,161,015,653,022.72/13,107,331.20
  6. Step 6: Final answer
    x = 14,050,229.82

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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.