Home / 14,508,161-20,021,262.20-7,981,650.80

Finding the Fourth Proportional to 14,508,161, 20,021,262.20 and 7,981,650.80

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Solution

The fourth proportional to 14,508,161, 20,021,262.20 and 7,981,650.80 is: 11,014,678.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508,161 : 20,021,262.20 = 7,981,650.80 : x
  2. Step 2: Convert to fraction form
    14,508,161/20,021,262.20 = 7,981,650.80/x
  3. Step 3: Cross multiply
    14,508,161x = 20,021,262.20 × 7,981,650.80
  4. Step 4: Simplify right side
    14,508,161x = 159,802,723,455,639.75
  5. Step 5: Solve for x
    x = 159,802,723,455,639.75/14,508,161
  6. Step 6: Final answer
    x = 11,014,678.12

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1.5x scale

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.