Home / 7,192,062.09-9,924,606.95-3,928,215.69

Finding the Fourth Proportional to 7,192,062.09, 9,924,606.95 and 3,928,215.69

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Solution

The fourth proportional to 7,192,062.09, 9,924,606.95 and 3,928,215.69 is: 5,420,698.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192,062.09 : 9,924,606.95 = 3,928,215.69 : x
  2. Step 2: Convert to fraction form
    7,192,062.09/9,924,606.95 = 3,928,215.69/x
  3. Step 3: Cross multiply
    7,192,062.09x = 9,924,606.95 × 3,928,215.69
  4. Step 4: Simplify right side
    7,192,062.09x = 38,985,996,718,431.97
  5. Step 5: Solve for x
    x = 38,985,996,718,431.97/7,192,062.09
  6. Step 6: Final answer
    x = 5,420,698.02

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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.