Home / 10,993,313.80-16,485,305.10-5,315,278.60

Finding the Fourth Proportional to 10,993,313.80, 16,485,305.10 and 5,315,278.60

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Solution

The fourth proportional to 10,993,313.80, 16,485,305.10 and 5,315,278.60 is: 7,970,662.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,993,313.80 : 16,485,305.10 = 5,315,278.60 : x
  2. Step 2: Convert to fraction form
    10,993,313.80/16,485,305.10 = 5,315,278.60/x
  3. Step 3: Cross multiply
    10,993,313.80x = 16,485,305.10 × 5,315,278.60
  4. Step 4: Simplify right side
    10,993,313.80x = 87,623,989,412,500.86
  5. Step 5: Solve for x
    x = 87,623,989,412,500.86/10,993,313.80
  6. Step 6: Final answer
    x = 7,970,662.08

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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.