Home / 7,261,970-10,021,121.68-3,998,164.92

Finding the Fourth Proportional to 7,261,970, 10,021,121.68 and 3,998,164.92

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Solution

The fourth proportional to 7,261,970, 10,021,121.68 and 3,998,164.92 is: 5,517,249.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261,970 : 10,021,121.68 = 3,998,164.92 : x
  2. Step 2: Convert to fraction form
    7,261,970/10,021,121.68 = 3,998,164.92/x
  3. Step 3: Cross multiply
    7,261,970x = 10,021,121.68 × 3,998,164.92
  4. Step 4: Simplify right side
    7,261,970x = 40,066,097,160,027.46
  5. Step 5: Solve for x
    x = 40,066,097,160,027.46/7,261,970
  6. Step 6: Final answer
    x = 5,517,249.06

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1.5x scale

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.