Home / 6,667,501-9,199,284.78-4,186,989.16

Finding the Fourth Proportional to 6,667,501, 9,199,284.78 and 4,186,989.16

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Solution

The fourth proportional to 6,667,501, 9,199,284.78 and 4,186,989.16 is: 5,776,872.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,667,501 : 9,199,284.78 = 4,186,989.16 : x
  2. Step 2: Convert to fraction form
    6,667,501/9,199,284.78 = 4,186,989.16/x
  3. Step 3: Cross multiply
    6,667,501x = 9,199,284.78 × 4,186,989.16
  4. Step 4: Simplify right side
    6,667,501x = 38,517,305,653,612.98
  5. Step 5: Solve for x
    x = 38,517,305,653,612.98/6,667,501
  6. Step 6: Final answer
    x = 5,776,872.87

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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.