Home / 13,040,063.68-17,995,356.96-8,148,124.64

Finding the Fourth Proportional to 13,040,063.68, 17,995,356.96 and 8,148,124.64

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Solution

The fourth proportional to 13,040,063.68, 17,995,356.96 and 8,148,124.64 is: 11,244,455.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040,063.68 : 17,995,356.96 = 8,148,124.64 : x
  2. Step 2: Convert to fraction form
    13,040,063.68/17,995,356.96 = 8,148,124.64/x
  3. Step 3: Cross multiply
    13,040,063.68x = 17,995,356.96 × 8,148,124.64
  4. Step 4: Simplify right side
    13,040,063.68x = 146,628,411,451,371.50
  5. Step 5: Solve for x
    x = 146,628,411,451,371.50/13,040,063.68
  6. Step 6: Final answer
    x = 11,244,455.17

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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.