Home / 37,961,720.73-52,386,900.78-20,557,662.21

Finding the Fourth Proportional to 37,961,720.73, 52,386,900.78 and 20,557,662.21

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Solution

The fourth proportional to 37,961,720.73, 52,386,900.78 and 20,557,662.21 is: 28,369,425.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,961,720.73 : 52,386,900.78 = 20,557,662.21 : x
  2. Step 2: Convert to fraction form
    37,961,720.73/52,386,900.78 = 20,557,662.21/x
  3. Step 3: Cross multiply
    37,961,720.73x = 52,386,900.78 × 20,557,662.21
  4. Step 4: Simplify right side
    37,961,720.73x = 1,076,952,210,464,025.62
  5. Step 5: Solve for x
    x = 1,076,952,210,464,025.62/37,961,720.73
  6. Step 6: Final answer
    x = 28,369,425.56

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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.