Home / 6,216,883.77-9,315,016.16-3,780,667.61

Finding the Fourth Proportional to 6,216,883.77, 9,315,016.16 and 3,780,667.61

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Solution

The fourth proportional to 6,216,883.77, 9,315,016.16 and 3,780,667.61 is: 5,664,731.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,216,883.77 : 9,315,016.16 = 3,780,667.61 : x
  2. Step 2: Convert to fraction form
    6,216,883.77/9,315,016.16 = 3,780,667.61/x
  3. Step 3: Cross multiply
    6,216,883.77x = 9,315,016.16 × 3,780,667.61
  4. Step 4: Simplify right side
    6,216,883.77x = 35,216,979,852,191.47
  5. Step 5: Solve for x
    x = 35,216,979,852,191.47/6,216,883.77
  6. Step 6: Final answer
    x = 5,664,731.90

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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.