Home / 12,331,107.80-18,496,661.70-5,599,521.80

Finding the Fourth Proportional to 12,331,107.80, 18,496,661.70 and 5,599,521.80

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Solution

The fourth proportional to 12,331,107.80, 18,496,661.70 and 5,599,521.80 is: 8,399,282.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331,107.80 : 18,496,661.70 = 5,599,521.80 : x
  2. Step 2: Convert to fraction form
    12,331,107.80/18,496,661.70 = 5,599,521.80/x
  3. Step 3: Cross multiply
    12,331,107.80x = 18,496,661.70 × 5,599,521.80
  4. Step 4: Simplify right side
    12,331,107.80x = 103,572,460,416,375.05
  5. Step 5: Solve for x
    x = 103,572,460,416,375.05/12,331,107.80
  6. Step 6: Final answer
    x = 8,399,282.70

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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.