Home / 8,228,520.72-12,343,593.16-2,836,461.28

Finding the Fourth Proportional to 8,228,520.72, 12,343,593.16 and 2,836,461.28

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Solution

The fourth proportional to 8,228,520.72, 12,343,593.16 and 2,836,461.28 is: 4,254,971.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228,520.72 : 12,343,593.16 = 2,836,461.28 : x
  2. Step 2: Convert to fraction form
    8,228,520.72/12,343,593.16 = 2,836,461.28/x
  3. Step 3: Cross multiply
    8,228,520.72x = 12,343,593.16 × 2,836,461.28
  4. Step 4: Simplify right side
    8,228,520.72x = 35,012,124,054,412.84
  5. Step 5: Solve for x
    x = 35,012,124,054,412.84/8,228,520.72
  6. Step 6: Final answer
    x = 4,254,971.85

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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.