Home / 38,385,930.34-52,972,579.83-20,982,344.86

Finding the Fourth Proportional to 38,385,930.34, 52,972,579.83 and 20,982,344.86

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Solution

The fourth proportional to 38,385,930.34, 52,972,579.83 and 20,982,344.86 is: 28,955,633.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,385,930.34 : 52,972,579.83 = 20,982,344.86 : x
  2. Step 2: Convert to fraction form
    38,385,930.34/52,972,579.83 = 20,982,344.86/x
  3. Step 3: Cross multiply
    38,385,930.34x = 52,972,579.83 × 20,982,344.86
  4. Step 4: Simplify right side
    38,385,930.34x = 1,111,488,938,116,940.12
  5. Step 5: Solve for x
    x = 1,111,488,938,116,940.12/38,385,930.34
  6. Step 6: Final answer
    x = 28,955,633.70

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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.