Home / 15,106,703.35-20,847,253.61-8,231,185.42

Finding the Fourth Proportional to 15,106,703.35, 20,847,253.61 and 8,231,185.42

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Solution

The fourth proportional to 15,106,703.35, 20,847,253.61 and 8,231,185.42 is: 11,359,037.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106,703.35 : 20,847,253.61 = 8,231,185.42 : x
  2. Step 2: Convert to fraction form
    15,106,703.35/20,847,253.61 = 8,231,185.42/x
  3. Step 3: Cross multiply
    15,106,703.35x = 20,847,253.61 × 8,231,185.42
  4. Step 4: Simplify right side
    15,106,703.35x = 171,597,609,961,674.38
  5. Step 5: Solve for x
    x = 171,597,609,961,674.38/15,106,703.35
  6. Step 6: Final answer
    x = 11,359,037.51

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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.