Home / 7,786,613.18-11,672,328-3,111,296.83

Finding the Fourth Proportional to 7,786,613.18, 11,672,328 and 3,111,296.83

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Solution

The fourth proportional to 7,786,613.18, 11,672,328 and 3,111,296.83 is: 4,663,911.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786,613.18 : 11,672,328 = 3,111,296.83 : x
  2. Step 2: Convert to fraction form
    7,786,613.18/11,672,328 = 3,111,296.83/x
  3. Step 3: Cross multiply
    7,786,613.18x = 11,672,328 × 3,111,296.83
  4. Step 4: Simplify right side
    7,786,613.18x = 36,316,077,105,120.24
  5. Step 5: Solve for x
    x = 36,316,077,105,120.24/7,786,613.18
  6. Step 6: Final answer
    x = 4,663,911.80

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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.