Home / 14,508,417.53-20,021,615.53-7,981,906.97

Finding the Fourth Proportional to 14,508,417.53, 20,021,615.53 and 7,981,906.97

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Solution

The fourth proportional to 14,508,417.53, 20,021,615.53 and 7,981,906.97 is: 11,015,031.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508,417.53 : 20,021,615.53 = 7,981,906.97 : x
  2. Step 2: Convert to fraction form
    14,508,417.53/20,021,615.53 = 7,981,906.97/x
  3. Step 3: Cross multiply
    14,508,417.53x = 20,021,615.53 × 7,981,906.97
  4. Step 4: Simplify right side
    14,508,417.53x = 159,810,672,579,666.53
  5. Step 5: Solve for x
    x = 159,810,672,579,666.53/14,508,417.53
  6. Step 6: Final answer
    x = 11,015,031.25

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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.