Home / 12,254,809.17-18,373,700.82-5,427,662.22

Finding the Fourth Proportional to 12,254,809.17, 18,373,700.82 and 5,427,662.22

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Solution

The fourth proportional to 12,254,809.17, 18,373,700.82 and 5,427,662.22 is: 8,137,722.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254,809.17 : 18,373,700.82 = 5,427,662.22 : x
  2. Step 2: Convert to fraction form
    12,254,809.17/18,373,700.82 = 5,427,662.22/x
  3. Step 3: Cross multiply
    12,254,809.17x = 18,373,700.82 × 5,427,662.22
  4. Step 4: Simplify right side
    12,254,809.17x = 99,726,241,782,297.02
  5. Step 5: Solve for x
    x = 99,726,241,782,297.02/12,254,809.17
  6. Step 6: Final answer
    x = 8,137,722.95

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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.