Home / 21,374,890.80-32,062,336.20-5,200,713.60

Finding the Fourth Proportional to 21,374,890.80, 32,062,336.20 and 5,200,713.60

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Solution

The fourth proportional to 21,374,890.80, 32,062,336.20 and 5,200,713.60 is: 7,801,070.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,374,890.80 : 32,062,336.20 = 5,200,713.60 : x
  2. Step 2: Convert to fraction form
    21,374,890.80/32,062,336.20 = 5,200,713.60/x
  3. Step 3: Cross multiply
    21,374,890.80x = 32,062,336.20 × 5,200,713.60
  4. Step 4: Simplify right side
    21,374,890.80x = 166,747,027,923,112.31
  5. Step 5: Solve for x
    x = 166,747,027,923,112.31/21,374,890.80
  6. Step 6: Final answer
    x = 7,801,070.40

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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.