Home / 12,043,280.75-18,061,378.19-3,521,591.51

Finding the Fourth Proportional to 12,043,280.75, 18,061,378.19 and 3,521,591.51

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Solution

The fourth proportional to 12,043,280.75, 18,061,378.19 and 3,521,591.51 is: 5,281,351.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043,280.75 : 18,061,378.19 = 3,521,591.51 : x
  2. Step 2: Convert to fraction form
    12,043,280.75/18,061,378.19 = 3,521,591.51/x
  3. Step 3: Cross multiply
    12,043,280.75x = 18,061,378.19 × 3,521,591.51
  4. Step 4: Simplify right side
    12,043,280.75x = 63,604,796,075,195.20
  5. Step 5: Solve for x
    x = 63,604,796,075,195.20/12,043,280.75
  6. Step 6: Final answer
    x = 5,281,351.27

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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.