Home / 30,529,425.70-42,131,018.26-16,591,057.48

Finding the Fourth Proportional to 30,529,425.70, 42,131,018.26 and 16,591,057.48

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Solution

The fourth proportional to 30,529,425.70, 42,131,018.26 and 16,591,057.48 is: 22,895,882.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,529,425.70 : 42,131,018.26 = 16,591,057.48 : x
  2. Step 2: Convert to fraction form
    30,529,425.70/42,131,018.26 = 16,591,057.48/x
  3. Step 3: Cross multiply
    30,529,425.70x = 42,131,018.26 × 16,591,057.48
  4. Step 4: Simplify right side
    30,529,425.70x = 698,998,145,715,992.12
  5. Step 5: Solve for x
    x = 698,998,145,715,992.12/30,529,425.70
  6. Step 6: Final answer
    x = 22,895,882.57

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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.