Home / 8,513,371.22-12,774,540.78-4,921,661.12

Finding the Fourth Proportional to 8,513,371.22, 12,774,540.78 and 4,921,661.12

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Solution

The fourth proportional to 8,513,371.22, 12,774,540.78 and 4,921,661.12 is: 7,385,083.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513,371.22 : 12,774,540.78 = 4,921,661.12 : x
  2. Step 2: Convert to fraction form
    8,513,371.22/12,774,540.78 = 4,921,661.12/x
  3. Step 3: Cross multiply
    8,513,371.22x = 12,774,540.78 × 4,921,661.12
  4. Step 4: Simplify right side
    8,513,371.22x = 62,871,960,618,907.77
  5. Step 5: Solve for x
    x = 62,871,960,618,907.77/8,513,371.22
  6. Step 6: Final answer
    x = 7,385,083.89

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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.