Home / 20,066,276.40-30,099,414.60-18,722,583.60

Finding the Fourth Proportional to 20,066,276.40, 30,099,414.60 and 18,722,583.60

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Solution

The fourth proportional to 20,066,276.40, 30,099,414.60 and 18,722,583.60 is: 28,083,875.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066,276.40 : 30,099,414.60 = 18,722,583.60 : x
  2. Step 2: Convert to fraction form
    20,066,276.40/30,099,414.60 = 18,722,583.60/x
  3. Step 3: Cross multiply
    20,066,276.40x = 30,099,414.60 × 18,722,583.60
  4. Step 4: Simplify right side
    20,066,276.40x = 563,538,806,159,560.62
  5. Step 5: Solve for x
    x = 563,538,806,159,560.62/20,066,276.40
  6. Step 6: Final answer
    x = 28,083,875.40

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1.5x scale

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.