Home / 21,822,457-30,114,992.58-12,164,665

Finding the Fourth Proportional to 21,822,457, 30,114,992.58 and 12,164,665

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Solution

The fourth proportional to 21,822,457, 30,114,992.58 and 12,164,665 is: 16,787,238.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,822,457 : 30,114,992.58 = 12,164,665 : x
  2. Step 2: Convert to fraction form
    21,822,457/30,114,992.58 = 12,164,665/x
  3. Step 3: Cross multiply
    21,822,457x = 30,114,992.58 × 12,164,665
  4. Step 4: Simplify right side
    21,822,457x = 366,338,796,213,185.69
  5. Step 5: Solve for x
    x = 366,338,796,213,185.69/21,822,457
  6. Step 6: Final answer
    x = 16,787,238.77

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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.