Home / 14,508,049.41-20,021,107.91-7,981,538.76

Finding the Fourth Proportional to 14,508,049.41, 20,021,107.91 and 7,981,538.76

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Solution

The fourth proportional to 14,508,049.41, 20,021,107.91 and 7,981,538.76 is: 11,014,523.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508,049.41 : 20,021,107.91 = 7,981,538.76 : x
  2. Step 2: Convert to fraction form
    14,508,049.41/20,021,107.91 = 7,981,538.76/x
  3. Step 3: Cross multiply
    14,508,049.41x = 20,021,107.91 × 7,981,538.76
  4. Step 4: Simplify right side
    14,508,049.41x = 159,799,248,761,899.91
  5. Step 5: Solve for x
    x = 159,799,248,761,899.91/14,508,049.41
  6. Step 6: Final answer
    x = 11,014,523.33

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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.