Home / 12,243,009.40-18,364,514.10-10,920,311.80

Finding the Fourth Proportional to 12,243,009.40, 18,364,514.10 and 10,920,311.80

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Solution

The fourth proportional to 12,243,009.40, 18,364,514.10 and 10,920,311.80 is: 16,380,467.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243,009.40 : 18,364,514.10 = 10,920,311.80 : x
  2. Step 2: Convert to fraction form
    12,243,009.40/18,364,514.10 = 10,920,311.80/x
  3. Step 3: Cross multiply
    12,243,009.40x = 18,364,514.10 × 10,920,311.80
  4. Step 4: Simplify right side
    12,243,009.40x = 200,546,220,027,496.41
  5. Step 5: Solve for x
    x = 200,546,220,027,496.41/12,243,009.40
  6. Step 6: Final answer
    x = 16,380,467.70

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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.