Home / 11,148,031.20-16,722,046.80-8,908,543.20

Finding the Fourth Proportional to 11,148,031.20, 16,722,046.80 and 8,908,543.20

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Solution

The fourth proportional to 11,148,031.20, 16,722,046.80 and 8,908,543.20 is: 13,362,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148,031.20 : 16,722,046.80 = 8,908,543.20 : x
  2. Step 2: Convert to fraction form
    11,148,031.20/16,722,046.80 = 8,908,543.20/x
  3. Step 3: Cross multiply
    11,148,031.20x = 16,722,046.80 × 8,908,543.20
  4. Step 4: Simplify right side
    11,148,031.20x = 148,969,076,310,221.75
  5. Step 5: Solve for x
    x = 148,969,076,310,221.75/11,148,031.20
  6. Step 6: Final answer
    x = 13,362,814.80

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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.