Home / 15,189,473.92-20,961,670.89-8,313,808.36

Finding the Fourth Proportional to 15,189,473.92, 20,961,670.89 and 8,313,808.36

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Solution

The fourth proportional to 15,189,473.92, 20,961,670.89 and 8,313,808.36 is: 11,473,163.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,189,473.92 : 20,961,670.89 = 8,313,808.36 : x
  2. Step 2: Convert to fraction form
    15,189,473.92/20,961,670.89 = 8,313,808.36/x
  3. Step 3: Cross multiply
    15,189,473.92x = 20,961,670.89 × 8,313,808.36
  4. Step 4: Simplify right side
    15,189,473.92x = 174,271,314,684,850.66
  5. Step 5: Solve for x
    x = 174,271,314,684,850.66/15,189,473.92
  6. Step 6: Final answer
    x = 11,473,163.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.