Home / 13,123,150.80-19,684,726.20-11,328,061.20

Finding the Fourth Proportional to 13,123,150.80, 19,684,726.20 and 11,328,061.20

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Solution

The fourth proportional to 13,123,150.80, 19,684,726.20 and 11,328,061.20 is: 16,992,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,123,150.80 : 19,684,726.20 = 11,328,061.20 : x
  2. Step 2: Convert to fraction form
    13,123,150.80/19,684,726.20 = 11,328,061.20/x
  3. Step 3: Cross multiply
    13,123,150.80x = 19,684,726.20 × 11,328,061.20
  4. Step 4: Simplify right side
    13,123,150.80x = 222,989,783,098,843.41
  5. Step 5: Solve for x
    x = 222,989,783,098,843.41/13,123,150.80
  6. Step 6: Final answer
    x = 16,992,091.80

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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.