Home / 18,954,023.70-28,431,035.55-18,422,582.70

Finding the Fourth Proportional to 18,954,023.70, 28,431,035.55 and 18,422,582.70

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Solution

The fourth proportional to 18,954,023.70, 28,431,035.55 and 18,422,582.70 is: 27,633,874.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954,023.70 : 28,431,035.55 = 18,422,582.70 : x
  2. Step 2: Convert to fraction form
    18,954,023.70/28,431,035.55 = 18,422,582.70/x
  3. Step 3: Cross multiply
    18,954,023.70x = 28,431,035.55 × 18,422,582.70
  4. Step 4: Simplify right side
    18,954,023.70x = 523,773,103,666,515
  5. Step 5: Solve for x
    x = 523,773,103,666,515/18,954,023.70
  6. Step 6: Final answer
    x = 27,633,874.05

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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.