Home / 21,296,963.91-31,932,676.57-10,345,588.07

Finding the Fourth Proportional to 21,296,963.91, 31,932,676.57 and 10,345,588.07

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Solution

The fourth proportional to 21,296,963.91, 31,932,676.57 and 10,345,588.07 is: 15,512,179.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,296,963.91 : 31,932,676.57 = 10,345,588.07 : x
  2. Step 2: Convert to fraction form
    21,296,963.91/31,932,676.57 = 10,345,588.07/x
  3. Step 3: Cross multiply
    21,296,963.91x = 31,932,676.57 × 10,345,588.07
  4. Step 4: Simplify right side
    21,296,963.91x = 330,362,317,614,838.81
  5. Step 5: Solve for x
    x = 330,362,317,614,838.81/21,296,963.91
  6. Step 6: Final answer
    x = 15,512,179.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.