Home / 13,082,205.64-19,621,813.20-3,498,331.36

Finding the Fourth Proportional to 13,082,205.64, 19,621,813.20 and 3,498,331.36

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Solution

The fourth proportional to 13,082,205.64, 19,621,813.20 and 3,498,331.36 is: 5,247,097.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082,205.64 : 19,621,813.20 = 3,498,331.36 : x
  2. Step 2: Convert to fraction form
    13,082,205.64/19,621,813.20 = 3,498,331.36/x
  3. Step 3: Cross multiply
    13,082,205.64x = 19,621,813.20 × 3,498,331.36
  4. Step 4: Simplify right side
    13,082,205.64x = 68,643,604,457,621.95
  5. Step 5: Solve for x
    x = 68,643,604,457,621.95/13,082,205.64
  6. Step 6: Final answer
    x = 5,247,097.19

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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.