Home / 21,954,356.24-30,296,981.61-12,165,434.15

Finding the Fourth Proportional to 21,954,356.24, 30,296,981.61 and 12,165,434.15

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Solution

The fourth proportional to 21,954,356.24, 30,296,981.61 and 12,165,434.15 is: 16,788,282.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,954,356.24 : 30,296,981.61 = 12,165,434.15 : x
  2. Step 2: Convert to fraction form
    21,954,356.24/30,296,981.61 = 12,165,434.15/x
  3. Step 3: Cross multiply
    21,954,356.24x = 30,296,981.61 × 12,165,434.15
  4. Step 4: Simplify right side
    21,954,356.24x = 368,575,934,568,731.06
  5. Step 5: Solve for x
    x = 368,575,934,568,731.06/21,954,356.24
  6. Step 6: Final answer
    x = 16,788,282.50

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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.