Home / 10,879,669.28-16,319,617.68-3,203,459.36

Finding the Fourth Proportional to 10,879,669.28, 16,319,617.68 and 3,203,459.36

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Solution

The fourth proportional to 10,879,669.28, 16,319,617.68 and 3,203,459.36 is: 4,805,222.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879,669.28 : 16,319,617.68 = 3,203,459.36 : x
  2. Step 2: Convert to fraction form
    10,879,669.28/16,319,617.68 = 3,203,459.36/x
  3. Step 3: Cross multiply
    10,879,669.28x = 16,319,617.68 × 3,203,459.36
  4. Step 4: Simplify right side
    10,879,669.28x = 52,279,232,008,617.48
  5. Step 5: Solve for x
    x = 52,279,232,008,617.48/10,879,669.28
  6. Step 6: Final answer
    x = 4,805,222.54

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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.