Home / 21,069,570.98-29,078,367.64-11,902,804.22

Finding the Fourth Proportional to 21,069,570.98, 29,078,367.64 and 11,902,804.22

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Solution

The fourth proportional to 21,069,570.98, 29,078,367.64 and 11,902,804.22 is: 16,427,202.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,069,570.98 : 29,078,367.64 = 11,902,804.22 : x
  2. Step 2: Convert to fraction form
    21,069,570.98/29,078,367.64 = 11,902,804.22/x
  3. Step 3: Cross multiply
    21,069,570.98x = 29,078,367.64 × 11,902,804.22
  4. Step 4: Simplify right side
    21,069,570.98x = 346,114,116,880,954.56
  5. Step 5: Solve for x
    x = 346,114,116,880,954.56/21,069,570.98
  6. Step 6: Final answer
    x = 16,427,202.87

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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.