Home / 20,190,315.71-27,862,493.54-11,022,958.46

Finding the Fourth Proportional to 20,190,315.71, 27,862,493.54 and 11,022,958.46

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Solution

The fourth proportional to 20,190,315.71, 27,862,493.54 and 11,022,958.46 is: 15,211,605.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,190,315.71 : 27,862,493.54 = 11,022,958.46 : x
  2. Step 2: Convert to fraction form
    20,190,315.71/27,862,493.54 = 11,022,958.46/x
  3. Step 3: Cross multiply
    20,190,315.71x = 27,862,493.54 × 11,022,958.46
  4. Step 4: Simplify right side
    20,190,315.71x = 307,127,108,744,125.88
  5. Step 5: Solve for x
    x = 307,127,108,744,125.88/20,190,315.71
  6. Step 6: Final answer
    x = 15,211,605.07

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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.