Home / 38,016,018.60-57,012,968.70-20,984,850.60

Finding the Fourth Proportional to 38,016,018.60, 57,012,968.70 and 20,984,850.60

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Solution

The fourth proportional to 38,016,018.60, 57,012,968.70 and 20,984,850.60 is: 31,471,171.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,016,018.60 : 57,012,968.70 = 20,984,850.60 : x
  2. Step 2: Convert to fraction form
    38,016,018.60/57,012,968.70 = 20,984,850.60/x
  3. Step 3: Cross multiply
    38,016,018.60x = 57,012,968.70 × 20,984,850.60
  4. Step 4: Simplify right side
    38,016,018.60x = 1,196,408,630,431,976.25
  5. Step 5: Solve for x
    x = 1,196,408,630,431,976.25/38,016,018.60
  6. Step 6: Final answer
    x = 31,471,171.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.