Home / 7,721,581.35-10,655,778.12-4,236,943.01

Finding the Fourth Proportional to 7,721,581.35, 10,655,778.12 and 4,236,943.01

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Solution

The fourth proportional to 7,721,581.35, 10,655,778.12 and 4,236,943.01 is: 5,846,979.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721,581.35 : 10,655,778.12 = 4,236,943.01 : x
  2. Step 2: Convert to fraction form
    7,721,581.35/10,655,778.12 = 4,236,943.01/x
  3. Step 3: Cross multiply
    7,721,581.35x = 10,655,778.12 × 4,236,943.01
  4. Step 4: Simplify right side
    7,721,581.35x = 45,147,924,568,366.05
  5. Step 5: Solve for x
    x = 45,147,924,568,366.05/7,721,581.35
  6. Step 6: Final answer
    x = 5,846,979.07

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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.