Home / 10,752,543.20-16,128,814.80-6,771,231.20

Finding the Fourth Proportional to 10,752,543.20, 16,128,814.80 and 6,771,231.20

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Solution

The fourth proportional to 10,752,543.20, 16,128,814.80 and 6,771,231.20 is: 10,156,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752,543.20 : 16,128,814.80 = 6,771,231.20 : x
  2. Step 2: Convert to fraction form
    10,752,543.20/16,128,814.80 = 6,771,231.20/x
  3. Step 3: Cross multiply
    10,752,543.20x = 16,128,814.80 × 6,771,231.20
  4. Step 4: Simplify right side
    10,752,543.20x = 109,211,933,992,781.77
  5. Step 5: Solve for x
    x = 109,211,933,992,781.77/10,752,543.20
  6. Step 6: Final answer
    x = 10,156,846.80

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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.