Home / 21,008,092.40-31,512,138.60-17,984,783.60

Finding the Fourth Proportional to 21,008,092.40, 31,512,138.60 and 17,984,783.60

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Solution

The fourth proportional to 21,008,092.40, 31,512,138.60 and 17,984,783.60 is: 26,977,175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,008,092.40 : 31,512,138.60 = 17,984,783.60 : x
  2. Step 2: Convert to fraction form
    21,008,092.40/31,512,138.60 = 17,984,783.60/x
  3. Step 3: Cross multiply
    21,008,092.40x = 31,512,138.60 × 17,984,783.60
  4. Step 4: Simplify right side
    21,008,092.40x = 566,738,993,494,207
  5. Step 5: Solve for x
    x = 566,738,993,494,207/21,008,092.40
  6. Step 6: Final answer
    x = 26,977,175.40

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