Home / 30,570,472.46-42,187,586.84-16,631,906.80

Finding the Fourth Proportional to 30,570,472.46, 42,187,586.84 and 16,631,906.80

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Solution

The fourth proportional to 30,570,472.46, 42,187,586.84 and 16,631,906.80 is: 22,952,213.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,570,472.46 : 42,187,586.84 = 16,631,906.80 : x
  2. Step 2: Convert to fraction form
    30,570,472.46/42,187,586.84 = 16,631,906.80/x
  3. Step 3: Cross multiply
    30,570,472.46x = 42,187,586.84 × 16,631,906.80
  4. Step 4: Simplify right side
    30,570,472.46x = 701,660,012,439,786.62
  5. Step 5: Solve for x
    x = 701,660,012,439,786.62/30,570,472.46
  6. Step 6: Final answer
    x = 22,952,213.56

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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.