Home / 12,157,092.80-18,235,639.20-11,597,220.80

Finding the Fourth Proportional to 12,157,092.80, 18,235,639.20 and 11,597,220.80

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Solution

The fourth proportional to 12,157,092.80, 18,235,639.20 and 11,597,220.80 is: 17,395,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,157,092.80 : 18,235,639.20 = 11,597,220.80 : x
  2. Step 2: Convert to fraction form
    12,157,092.80/18,235,639.20 = 11,597,220.80/x
  3. Step 3: Cross multiply
    12,157,092.80x = 18,235,639.20 × 11,597,220.80
  4. Step 4: Simplify right side
    12,157,092.80x = 211,482,734,231,535.38
  5. Step 5: Solve for x
    x = 211,482,734,231,535.38/12,157,092.80
  6. Step 6: Final answer
    x = 17,395,831.20

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Similar ratio
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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.