Home / 20,149,381.80-30,224,072.70-11,625,330.60

Finding the Fourth Proportional to 20,149,381.80, 30,224,072.70 and 11,625,330.60

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Solution

The fourth proportional to 20,149,381.80, 30,224,072.70 and 11,625,330.60 is: 17,437,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,149,381.80 : 30,224,072.70 = 11,625,330.60 : x
  2. Step 2: Convert to fraction form
    20,149,381.80/30,224,072.70 = 11,625,330.60/x
  3. Step 3: Cross multiply
    20,149,381.80x = 30,224,072.70 × 11,625,330.60
  4. Step 4: Simplify right side
    20,149,381.80x = 351,364,837,215,934.62
  5. Step 5: Solve for x
    x = 351,364,837,215,934.62/20,149,381.80
  6. Step 6: Final answer
    x = 17,437,995.90

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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.