Home / 18,440,895.28-27,664,453.32-7,663,981.36

Finding the Fourth Proportional to 18,440,895.28, 27,664,453.32 and 7,663,981.36

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Solution

The fourth proportional to 18,440,895.28, 27,664,453.32 and 7,663,981.36 is: 11,497,264.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440,895.28 : 27,664,453.32 = 7,663,981.36 : x
  2. Step 2: Convert to fraction form
    18,440,895.28/27,664,453.32 = 7,663,981.36/x
  3. Step 3: Cross multiply
    18,440,895.28x = 27,664,453.32 × 7,663,981.36
  4. Step 4: Simplify right side
    18,440,895.28x = 212,019,854,579,070.12
  5. Step 5: Solve for x
    x = 212,019,854,579,070.12/18,440,895.28
  6. Step 6: Final answer
    x = 11,497,264.71

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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.