Home / 38,181,502-52,690,481.40-21,012,094

Finding the Fourth Proportional to 38,181,502, 52,690,481.40 and 21,012,094

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Solution

The fourth proportional to 38,181,502, 52,690,481.40 and 21,012,094 is: 28,996,694.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,181,502 : 52,690,481.40 = 21,012,094 : x
  2. Step 2: Convert to fraction form
    38,181,502/52,690,481.40 = 21,012,094/x
  3. Step 3: Cross multiply
    38,181,502x = 52,690,481.40 × 21,012,094
  4. Step 4: Simplify right side
    38,181,502x = 1,107,137,348,082,051.62
  5. Step 5: Solve for x
    x = 1,107,137,348,082,051.62/38,181,502
  6. Step 6: Final answer
    x = 28,996,694.47

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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.