Home / 20,617,917.48-28,514,381.94-18,035,114.76

Finding the Fourth Proportional to 20,617,917.48, 28,514,381.94 and 18,035,114.76

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Solution

The fourth proportional to 20,617,917.48, 28,514,381.94 and 18,035,114.76 is: 24,942,390.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,617,917.48 : 28,514,381.94 = 18,035,114.76 : x
  2. Step 2: Convert to fraction form
    20,617,917.48/28,514,381.94 = 18,035,114.76/x
  3. Step 3: Cross multiply
    20,617,917.48x = 28,514,381.94 × 18,035,114.76
  4. Step 4: Simplify right side
    20,617,917.48x = 514,260,150,598,371.50
  5. Step 5: Solve for x
    x = 514,260,150,598,371.50/20,617,917.48
  6. Step 6: Final answer
    x = 24,942,390.57

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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.