Home / 6,869,976.28-9,480,128.70-3,814,189.72

Finding the Fourth Proportional to 6,869,976.28, 9,480,128.70 and 3,814,189.72

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Solution

The fourth proportional to 6,869,976.28, 9,480,128.70 and 3,814,189.72 is: 5,263,338.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869,976.28 : 9,480,128.70 = 3,814,189.72 : x
  2. Step 2: Convert to fraction form
    6,869,976.28/9,480,128.70 = 3,814,189.72/x
  3. Step 3: Cross multiply
    6,869,976.28x = 9,480,128.70 × 3,814,189.72
  4. Step 4: Simplify right side
    6,869,976.28x = 36,159,009,431,816.96
  5. Step 5: Solve for x
    x = 36,159,009,431,816.96/6,869,976.28
  6. Step 6: Final answer
    x = 5,263,338.32

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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.