Home / 21,347,172.31-29,456,837.32-12,054,179.09

Finding the Fourth Proportional to 21,347,172.31, 29,456,837.32 and 12,054,179.09

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Solution

The fourth proportional to 21,347,172.31, 29,456,837.32 and 12,054,179.09 is: 16,633,490.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,347,172.31 : 29,456,837.32 = 12,054,179.09 : x
  2. Step 2: Convert to fraction form
    21,347,172.31/29,456,837.32 = 12,054,179.09/x
  3. Step 3: Cross multiply
    21,347,172.31x = 29,456,837.32 × 12,054,179.09
  4. Step 4: Simplify right side
    21,347,172.31x = 355,077,992,480,275.62
  5. Step 5: Solve for x
    x = 355,077,992,480,275.62/21,347,172.31
  6. Step 6: Final answer
    x = 16,633,490.72

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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.