Home / 15,030,000-20,741,451.84-8,154,512.64

Finding the Fourth Proportional to 15,030,000, 20,741,451.84 and 8,154,512.64

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Solution

The fourth proportional to 15,030,000, 20,741,451.84 and 8,154,512.64 is: 11,253,255.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,030,000 : 20,741,451.84 = 8,154,512.64 : x
  2. Step 2: Convert to fraction form
    15,030,000/20,741,451.84 = 8,154,512.64/x
  3. Step 3: Cross multiply
    15,030,000x = 20,741,451.84 × 8,154,512.64
  4. Step 4: Simplify right side
    15,030,000x = 169,136,431,201,231.25
  5. Step 5: Solve for x
    x = 169,136,431,201,231.25/15,030,000
  6. Step 6: Final answer
    x = 11,253,255.57

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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.