Home / 7,189,871.92-10,786,010.73-2,399,029.72

Finding the Fourth Proportional to 7,189,871.92, 10,786,010.73 and 2,399,029.72

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Solution

The fourth proportional to 7,189,871.92, 10,786,010.73 and 2,399,029.72 is: 3,598,945.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189,871.92 : 10,786,010.73 = 2,399,029.72 : x
  2. Step 2: Convert to fraction form
    7,189,871.92/10,786,010.73 = 2,399,029.72/x
  3. Step 3: Cross multiply
    7,189,871.92x = 10,786,010.73 × 2,399,029.72
  4. Step 4: Simplify right side
    7,189,871.92x = 25,875,960,265,547.50
  5. Step 5: Solve for x
    x = 25,875,960,265,547.50/7,189,871.92
  6. Step 6: Final answer
    x = 3,598,945.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.