Home / 20,323,687.25-30,480,649.62-9,383,365.40

Finding the Fourth Proportional to 20,323,687.25, 30,480,649.62 and 9,383,365.40

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Solution

The fourth proportional to 20,323,687.25, 30,480,649.62 and 9,383,365.40 is: 14,072,794.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,323,687.25 : 30,480,649.62 = 9,383,365.40 : x
  2. Step 2: Convert to fraction form
    20,323,687.25/30,480,649.62 = 9,383,365.40/x
  3. Step 3: Cross multiply
    20,323,687.25x = 30,480,649.62 × 9,383,365.40
  4. Step 4: Simplify right side
    20,323,687.25x = 286,011,072,861,427.88
  5. Step 5: Solve for x
    x = 286,011,072,861,427.88/20,323,687.25
  6. Step 6: Final answer
    x = 14,072,794.44

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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.