Home / 14,239,371.36-21,419,669.74-12,907,594.20

Finding the Fourth Proportional to 14,239,371.36, 21,419,669.74 and 12,907,594.20

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Solution

The fourth proportional to 14,239,371.36, 21,419,669.74 and 12,907,594.20 is: 19,416,335.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239,371.36 : 21,419,669.74 = 12,907,594.20 : x
  2. Step 2: Convert to fraction form
    14,239,371.36/21,419,669.74 = 12,907,594.20/x
  3. Step 3: Cross multiply
    14,239,371.36x = 21,419,669.74 × 12,907,594.20
  4. Step 4: Simplify right side
    14,239,371.36x = 276,476,404,901,939.47
  5. Step 5: Solve for x
    x = 276,476,404,901,939.47/14,239,371.36
  6. Step 6: Final answer
    x = 19,416,335.03

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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.