Home / 21,954,356.74-30,296,982.30-12,165,434.65

Finding the Fourth Proportional to 21,954,356.74, 30,296,982.30 and 12,165,434.65

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Solution

The fourth proportional to 21,954,356.74, 30,296,982.30 and 12,165,434.65 is: 16,788,283.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,954,356.74 : 30,296,982.30 = 12,165,434.65 : x
  2. Step 2: Convert to fraction form
    21,954,356.74/30,296,982.30 = 12,165,434.65/x
  3. Step 3: Cross multiply
    21,954,356.74x = 30,296,982.30 × 12,165,434.65
  4. Step 4: Simplify right side
    21,954,356.74x = 368,575,958,111,371.75
  5. Step 5: Solve for x
    x = 368,575,958,111,371.75/21,954,356.74
  6. Step 6: Final answer
    x = 16,788,283.19

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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.