Home / 38,930,980.40-53,706,460.66-27,769,940.28

Finding the Fourth Proportional to 38,930,980.40, 53,706,460.66 and 27,769,940.28

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Solution

The fourth proportional to 38,930,980.40, 53,706,460.66 and 27,769,940.28 is: 38,309,469.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,930,980.40 : 53,706,460.66 = 27,769,940.28 : x
  2. Step 2: Convert to fraction form
    38,930,980.40/53,706,460.66 = 27,769,940.28/x
  3. Step 3: Cross multiply
    38,930,980.40x = 53,706,460.66 × 27,769,940.28
  4. Step 4: Simplify right side
    38,930,980.40x = 1,491,425,205,108,944.50
  5. Step 5: Solve for x
    x = 1,491,425,205,108,944.50/38,930,980.40
  6. Step 6: Final answer
    x = 38,309,469.47

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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.