Home / 20,273,479.24-27,954,975.54-12,919,655.56

Finding the Fourth Proportional to 20,273,479.24, 27,954,975.54 and 12,919,655.56

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Solution

The fourth proportional to 20,273,479.24, 27,954,975.54 and 12,919,655.56 is: 17,814,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,273,479.24 : 27,954,975.54 = 12,919,655.56 : x
  2. Step 2: Convert to fraction form
    20,273,479.24/27,954,975.54 = 12,919,655.56/x
  3. Step 3: Cross multiply
    20,273,479.24x = 27,954,975.54 × 12,919,655.56
  4. Step 4: Simplify right side
    20,273,479.24x = 361,168,655,165,025
  5. Step 5: Solve for x
    x = 361,168,655,165,025/20,273,479.24
  6. Step 6: Final answer
    x = 17,814,833.40

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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.