Home / 12,448,362.40-18,672,543.60-11,332,336.30

Finding the Fourth Proportional to 12,448,362.40, 18,672,543.60 and 11,332,336.30

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Solution

The fourth proportional to 12,448,362.40, 18,672,543.60 and 11,332,336.30 is: 16,998,504.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448,362.40 : 18,672,543.60 = 11,332,336.30 : x
  2. Step 2: Convert to fraction form
    12,448,362.40/18,672,543.60 = 11,332,336.30/x
  3. Step 3: Cross multiply
    12,448,362.40x = 18,672,543.60 × 11,332,336.30
  4. Step 4: Simplify right side
    12,448,362.40x = 211,603,543,651,612.72
  5. Step 5: Solve for x
    x = 211,603,543,651,612.72/12,448,362.40
  6. Step 6: Final answer
    x = 16,998,504.45

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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.