Home / 20,997,630.30-31,496,445.45-17,410,403.55

Finding the Fourth Proportional to 20,997,630.30, 31,496,445.45 and 17,410,403.55

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Solution

The fourth proportional to 20,997,630.30, 31,496,445.45 and 17,410,403.55 is: 26,115,605.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,997,630.30 : 31,496,445.45 = 17,410,403.55 : x
  2. Step 2: Convert to fraction form
    20,997,630.30/31,496,445.45 = 17,410,403.55/x
  3. Step 3: Cross multiply
    20,997,630.30x = 31,496,445.45 × 17,410,403.55
  4. Step 4: Simplify right side
    20,997,630.30x = 548,365,825,675,061.38
  5. Step 5: Solve for x
    x = 548,365,825,675,061.38/20,997,630.30
  6. Step 6: Final answer
    x = 26,115,605.33

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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.