Home / 6,864,499.53-9,471,529.35-3,962,208.78

Finding the Fourth Proportional to 6,864,499.53, 9,471,529.35 and 3,962,208.78

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Solution

The fourth proportional to 6,864,499.53, 9,471,529.35 and 3,962,208.78 is: 5,466,993.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864,499.53 : 9,471,529.35 = 3,962,208.78 : x
  2. Step 2: Convert to fraction form
    6,864,499.53/9,471,529.35 = 3,962,208.78/x
  3. Step 3: Cross multiply
    6,864,499.53x = 9,471,529.35 × 3,962,208.78
  4. Step 4: Simplify right side
    6,864,499.53x = 37,528,176,750,597.69
  5. Step 5: Solve for x
    x = 37,528,176,750,597.69/6,864,499.53
  6. Step 6: Final answer
    x = 5,466,993.86

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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.