Home / 14,508,157-20,021,256.68-7,981,646.80

Finding the Fourth Proportional to 14,508,157, 20,021,256.68 and 7,981,646.80

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Solution

The fourth proportional to 14,508,157, 20,021,256.68 and 7,981,646.80 is: 11,014,672.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508,157 : 20,021,256.68 = 7,981,646.80 : x
  2. Step 2: Convert to fraction form
    14,508,157/20,021,256.68 = 7,981,646.80/x
  3. Step 3: Cross multiply
    14,508,157x = 20,021,256.68 × 7,981,646.80
  4. Step 4: Simplify right side
    14,508,157x = 159,802,599,311,900.62
  5. Step 5: Solve for x
    x = 159,802,599,311,900.62/14,508,157
  6. Step 6: Final answer
    x = 11,014,672.60

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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.