Home / 6,869,964.91-9,480,181.39-3,813,982.51

Finding the Fourth Proportional to 6,869,964.91, 9,480,181.39 and 3,813,982.51

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Solution

The fourth proportional to 6,869,964.91, 9,480,181.39 and 3,813,982.51 is: 5,263,090.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869,964.91 : 9,480,181.39 = 3,813,982.51 : x
  2. Step 2: Convert to fraction form
    6,869,964.91/9,480,181.39 = 3,813,982.51/x
  3. Step 3: Cross multiply
    6,869,964.91x = 9,480,181.39 × 3,813,982.51
  4. Step 4: Simplify right side
    6,869,964.91x = 36,157,246,013,087.49
  5. Step 5: Solve for x
    x = 36,157,246,013,087.49/6,869,964.91
  6. Step 6: Final answer
    x = 5,263,090.35

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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.