Home / 20,426,373.66-30,633,581.78-16,823,203.68

Finding the Fourth Proportional to 20,426,373.66, 30,633,581.78 and 16,823,203.68

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Solution

The fourth proportional to 20,426,373.66, 30,633,581.78 and 16,823,203.68 is: 25,229,881.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,426,373.66 : 30,633,581.78 = 16,823,203.68 : x
  2. Step 2: Convert to fraction form
    20,426,373.66/30,633,581.78 = 16,823,203.68/x
  3. Step 3: Cross multiply
    20,426,373.66x = 30,633,581.78 × 16,823,203.68
  4. Step 4: Simplify right side
    20,426,373.66x = 515,354,985,732,876.94
  5. Step 5: Solve for x
    x = 515,354,985,732,876.94/20,426,373.66
  6. Step 6: Final answer
    x = 25,229,881.44

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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.