Home / 38,147,497.14-52,641,943.56-21,628,732.98

Finding the Fourth Proportional to 38,147,497.14, 52,641,943.56 and 21,628,732.98

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Solution

The fourth proportional to 38,147,497.14, 52,641,943.56 and 21,628,732.98 is: 29,846,742.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,147,497.14 : 52,641,943.56 = 21,628,732.98 : x
  2. Step 2: Convert to fraction form
    38,147,497.14/52,641,943.56 = 21,628,732.98/x
  3. Step 3: Cross multiply
    38,147,497.14x = 52,641,943.56 × 21,628,732.98
  4. Step 4: Simplify right side
    38,147,497.14x = 1,138,578,540,807,470.75
  5. Step 5: Solve for x
    x = 1,138,578,540,807,470.75/38,147,497.14
  6. Step 6: Final answer
    x = 29,846,742.94

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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.