Home / 6,669,641.53-9,204,209.81-3,916,389.84

Finding the Fourth Proportional to 6,669,641.53, 9,204,209.81 and 3,916,389.84

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Solution

The fourth proportional to 6,669,641.53, 9,204,209.81 and 3,916,389.84 is: 5,404,679.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,669,641.53 : 9,204,209.81 = 3,916,389.84 : x
  2. Step 2: Convert to fraction form
    6,669,641.53/9,204,209.81 = 3,916,389.84/x
  3. Step 3: Cross multiply
    6,669,641.53x = 9,204,209.81 × 3,916,389.84
  4. Step 4: Simplify right side
    6,669,641.53x = 36,047,273,785,112.33
  5. Step 5: Solve for x
    x = 36,047,273,785,112.33/6,669,641.53
  6. Step 6: Final answer
    x = 5,404,679.34

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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.