Home / 12,946,100.68-19,320,711.29-11,511,247.24

Finding the Fourth Proportional to 12,946,100.68, 19,320,711.29 and 11,511,247.24

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Solution

The fourth proportional to 12,946,100.68, 19,320,711.29 and 11,511,247.24 is: 17,179,341.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946,100.68 : 19,320,711.29 = 11,511,247.24 : x
  2. Step 2: Convert to fraction form
    12,946,100.68/19,320,711.29 = 11,511,247.24/x
  3. Step 3: Cross multiply
    12,946,100.68x = 19,320,711.29 × 11,511,247.24
  4. Step 4: Simplify right side
    12,946,100.68x = 222,405,484,511,849.34
  5. Step 5: Solve for x
    x = 222,405,484,511,849.34/12,946,100.68
  6. Step 6: Final answer
    x = 17,179,341.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.