Home / 10,504,057.20-15,738,371.10-8,697,157.80

Finding the Fourth Proportional to 10,504,057.20, 15,738,371.10 and 8,697,157.80

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Solution

The fourth proportional to 10,504,057.20, 15,738,371.10 and 8,697,157.80 is: 13,031,069.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,504,057.20 : 15,738,371.10 = 8,697,157.80 : x
  2. Step 2: Convert to fraction form
    10,504,057.20/15,738,371.10 = 8,697,157.80/x
  3. Step 3: Cross multiply
    10,504,057.20x = 15,738,371.10 × 8,697,157.80
  4. Step 4: Simplify right side
    10,504,057.20x = 136,879,096,971,659.59
  5. Step 5: Solve for x
    x = 136,879,096,971,659.59/10,504,057.20
  6. Step 6: Final answer
    x = 13,031,069.27

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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.