Home / 8,139,802.12-12,209,576.82-2,752,236.16

Finding the Fourth Proportional to 8,139,802.12, 12,209,576.82 and 2,752,236.16

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Solution

The fourth proportional to 8,139,802.12, 12,209,576.82 and 2,752,236.16 is: 4,128,311.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,139,802.12 : 12,209,576.82 = 2,752,236.16 : x
  2. Step 2: Convert to fraction form
    8,139,802.12/12,209,576.82 = 2,752,236.16/x
  3. Step 3: Cross multiply
    8,139,802.12x = 12,209,576.82 × 2,752,236.16
  4. Step 4: Simplify right side
    8,139,802.12x = 33,603,638,781,456.99
  5. Step 5: Solve for x
    x = 33,603,638,781,456.99/8,139,802.12
  6. Step 6: Final answer
    x = 4,128,311.51

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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.