Home / 8,132,789.07-12,191,252.09-3,871,813.23

Finding the Fourth Proportional to 8,132,789.07, 12,191,252.09 and 3,871,813.23

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Solution

The fourth proportional to 8,132,789.07, 12,191,252.09 and 3,871,813.23 is: 5,803,943.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132,789.07 : 12,191,252.09 = 3,871,813.23 : x
  2. Step 2: Convert to fraction form
    8,132,789.07/12,191,252.09 = 3,871,813.23/x
  3. Step 3: Cross multiply
    8,132,789.07x = 12,191,252.09 × 3,871,813.23
  4. Step 4: Simplify right side
    8,132,789.07x = 47,202,251,112,968.09
  5. Step 5: Solve for x
    x = 47,202,251,112,968.09/8,132,789.07
  6. Step 6: Final answer
    x = 5,803,943.85

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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.