Home / 15,002,868.36-20,704,057.74-8,127,345.36

Finding the Fourth Proportional to 15,002,868.36, 20,704,057.74 and 8,127,345.36

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Solution

The fourth proportional to 15,002,868.36, 20,704,057.74 and 8,127,345.36 is: 11,215,790.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,002,868.36 : 20,704,057.74 = 8,127,345.36 : x
  2. Step 2: Convert to fraction form
    15,002,868.36/20,704,057.74 = 8,127,345.36/x
  3. Step 3: Cross multiply
    15,002,868.36x = 20,704,057.74 × 8,127,345.36
  4. Step 4: Simplify right side
    15,002,868.36x = 168,269,027,606,361.09
  5. Step 5: Solve for x
    x = 168,269,027,606,361.09/15,002,868.36
  6. Step 6: Final answer
    x = 11,215,790.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.