Home / 20,173,917.40-30,260,876.10-17,780,464.60

Finding the Fourth Proportional to 20,173,917.40, 30,260,876.10 and 17,780,464.60

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Solution

The fourth proportional to 20,173,917.40, 30,260,876.10 and 17,780,464.60 is: 26,670,696.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173,917.40 : 30,260,876.10 = 17,780,464.60 : x
  2. Step 2: Convert to fraction form
    20,173,917.40/30,260,876.10 = 17,780,464.60/x
  3. Step 3: Cross multiply
    20,173,917.40x = 30,260,876.10 × 17,780,464.60
  4. Step 4: Simplify right side
    20,173,917.40x = 538,052,436,261,036.12
  5. Step 5: Solve for x
    x = 538,052,436,261,036.12/20,173,917.40
  6. Step 6: Final answer
    x = 26,670,696.90

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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.