Home / 9,564,346.35-13,198,936.64-5,213,433.78

Finding the Fourth Proportional to 9,564,346.35, 13,198,936.64 and 5,213,433.78

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Solution

The fourth proportional to 9,564,346.35, 13,198,936.64 and 5,213,433.78 is: 7,194,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,564,346.35 : 13,198,936.64 = 5,213,433.78 : x
  2. Step 2: Convert to fraction form
    9,564,346.35/13,198,936.64 = 5,213,433.78/x
  3. Step 3: Cross multiply
    9,564,346.35x = 13,198,936.64 × 5,213,433.78
  4. Step 4: Simplify right side
    9,564,346.35x = 68,811,782,112,988.53
  5. Step 5: Solve for x
    x = 68,811,782,112,988.53/9,564,346.35
  6. Step 6: Final answer
    x = 7,194,614.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.