Home / 20,087,879.16-30,145,089.62-9,451,140.60

Finding the Fourth Proportional to 20,087,879.16, 30,145,089.62 and 9,451,140.60

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Solution

The fourth proportional to 20,087,879.16, 30,145,089.62 and 9,451,140.60 is: 14,182,954.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,087,879.16 : 30,145,089.62 = 9,451,140.60 : x
  2. Step 2: Convert to fraction form
    20,087,879.16/30,145,089.62 = 9,451,140.60/x
  3. Step 3: Cross multiply
    20,087,879.16x = 30,145,089.62 × 9,451,140.60
  4. Step 4: Simplify right side
    20,087,879.16x = 284,905,480,398,220.56
  5. Step 5: Solve for x
    x = 284,905,480,398,220.56/20,087,879.16
  6. Step 6: Final answer
    x = 14,182,954.71

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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.