Home / 15,380,191.34-21,224,244.08-8,504,438.30

Finding the Fourth Proportional to 15,380,191.34, 21,224,244.08 and 8,504,438.30

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Solution

The fourth proportional to 15,380,191.34, 21,224,244.08 and 8,504,438.30 is: 11,735,892.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,380,191.34 : 21,224,244.08 = 8,504,438.30 : x
  2. Step 2: Convert to fraction form
    15,380,191.34/21,224,244.08 = 8,504,438.30/x
  3. Step 3: Cross multiply
    15,380,191.34x = 21,224,244.08 × 8,504,438.30
  4. Step 4: Simplify right side
    15,380,191.34x = 180,500,274,237,231.06
  5. Step 5: Solve for x
    x = 180,500,274,237,231.06/15,380,191.34
  6. Step 6: Final answer
    x = 11,735,892.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.