Home / 12,320,189.58-18,478,872.50-3,223,165.04

Finding the Fourth Proportional to 12,320,189.58, 18,478,872.50 and 3,223,165.04

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Solution

The fourth proportional to 12,320,189.58, 18,478,872.50 and 3,223,165.04 is: 4,834,378.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320,189.58 : 18,478,872.50 = 3,223,165.04 : x
  2. Step 2: Convert to fraction form
    12,320,189.58/18,478,872.50 = 3,223,165.04/x
  3. Step 3: Cross multiply
    12,320,189.58x = 18,478,872.50 × 3,223,165.04
  4. Step 4: Simplify right side
    12,320,189.58x = 59,560,455,820,617.40
  5. Step 5: Solve for x
    x = 59,560,455,820,617.40/12,320,189.58
  6. Step 6: Final answer
    x = 4,834,378.19

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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.