Home / 38,147,500.64-52,641,948.38-21,628,736.48

Finding the Fourth Proportional to 38,147,500.64, 52,641,948.38 and 21,628,736.48

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Solution

The fourth proportional to 38,147,500.64, 52,641,948.38 and 21,628,736.48 is: 29,846,747.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,147,500.64 : 52,641,948.38 = 21,628,736.48 : x
  2. Step 2: Convert to fraction form
    38,147,500.64/52,641,948.38 = 21,628,736.48/x
  3. Step 3: Cross multiply
    38,147,500.64x = 52,641,948.38 × 21,628,736.48
  4. Step 4: Simplify right side
    38,147,500.64x = 1,138,578,829,304,783
  5. Step 5: Solve for x
    x = 1,138,578,829,304,783/38,147,500.64
  6. Step 6: Final answer
    x = 29,846,747.76

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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.