Home / 7,119,209.07-9,821,797.56-5,263,081.11

Finding the Fourth Proportional to 7,119,209.07, 9,821,797.56 and 5,263,081.11

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Solution

The fourth proportional to 7,119,209.07, 9,821,797.56 and 5,263,081.11 is: 7,261,047.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119,209.07 : 9,821,797.56 = 5,263,081.11 : x
  2. Step 2: Convert to fraction form
    7,119,209.07/9,821,797.56 = 5,263,081.11/x
  3. Step 3: Cross multiply
    7,119,209.07x = 9,821,797.56 × 5,263,081.11
  4. Step 4: Simplify right side
    7,119,209.07x = 51,692,917,204,280.09
  5. Step 5: Solve for x
    x = 51,692,917,204,280.09/7,119,209.07
  6. Step 6: Final answer
    x = 7,261,047.78

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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.