Home / 7,019,221.12-10,529,046.16-2,408,142.69

Finding the Fourth Proportional to 7,019,221.12, 10,529,046.16 and 2,408,142.69

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Solution

The fourth proportional to 7,019,221.12, 10,529,046.16 and 2,408,142.69 is: 3,612,287.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019,221.12 : 10,529,046.16 = 2,408,142.69 : x
  2. Step 2: Convert to fraction form
    7,019,221.12/10,529,046.16 = 2,408,142.69/x
  3. Step 3: Cross multiply
    7,019,221.12x = 10,529,046.16 × 2,408,142.69
  4. Step 4: Simplify right side
    7,019,221.12x = 25,355,445,536,856.21
  5. Step 5: Solve for x
    x = 25,355,445,536,856.21/7,019,221.12
  6. Step 6: Final answer
    x = 3,612,287.62

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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.