Home / 20,225,850.55-30,360,365.30-8,716,997.54

Finding the Fourth Proportional to 20,225,850.55, 30,360,365.30 and 8,716,997.54

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Solution

The fourth proportional to 20,225,850.55, 30,360,365.30 and 8,716,997.54 is: 13,084,801.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,225,850.55 : 30,360,365.30 = 8,716,997.54 : x
  2. Step 2: Convert to fraction form
    20,225,850.55/30,360,365.30 = 8,716,997.54/x
  3. Step 3: Cross multiply
    20,225,850.55x = 30,360,365.30 × 8,716,997.54
  4. Step 4: Simplify right side
    20,225,850.55x = 264,651,229,731,294.78
  5. Step 5: Solve for x
    x = 264,651,229,731,294.78/20,225,850.55
  6. Step 6: Final answer
    x = 13,084,801.01

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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.