Home / 20,888,906.35-31,333,359.53-16,353,943.15

Finding the Fourth Proportional to 20,888,906.35, 31,333,359.53 and 16,353,943.15

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Solution

The fourth proportional to 20,888,906.35, 31,333,359.53 and 16,353,943.15 is: 24,530,914.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,888,906.35 : 31,333,359.53 = 16,353,943.15 : x
  2. Step 2: Convert to fraction form
    20,888,906.35/31,333,359.53 = 16,353,943.15/x
  3. Step 3: Cross multiply
    20,888,906.35x = 31,333,359.53 × 16,353,943.15
  4. Step 4: Simplify right side
    20,888,906.35x = 512,423,980,452,130.75
  5. Step 5: Solve for x
    x = 512,423,980,452,130.75/20,888,906.35
  6. Step 6: Final answer
    x = 24,530,914.73

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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.