Home / 21,606,583.41-29,816,665.79-11,816,996.31

Finding the Fourth Proportional to 21,606,583.41, 29,816,665.79 and 11,816,996.31

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Solution

The fourth proportional to 21,606,583.41, 29,816,665.79 and 11,816,996.31 is: 16,307,225.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,606,583.41 : 29,816,665.79 = 11,816,996.31 : x
  2. Step 2: Convert to fraction form
    21,606,583.41/29,816,665.79 = 11,816,996.31/x
  3. Step 3: Cross multiply
    21,606,583.41x = 29,816,665.79 × 11,816,996.31
  4. Step 4: Simplify right side
    21,606,583.41x = 352,343,429,557,848.25
  5. Step 5: Solve for x
    x = 352,343,429,557,848.25/21,606,583.41
  6. Step 6: Final answer
    x = 16,307,225.57

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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.