Home / 15,784,613.55-21,782,832.30-8,541,269.55

Finding the Fourth Proportional to 15,784,613.55, 21,782,832.30 and 8,541,269.55

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Solution

The fourth proportional to 15,784,613.55, 21,782,832.30 and 8,541,269.55 is: 11,786,987.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,784,613.55 : 21,782,832.30 = 8,541,269.55 : x
  2. Step 2: Convert to fraction form
    15,784,613.55/21,782,832.30 = 8,541,269.55/x
  3. Step 3: Cross multiply
    15,784,613.55x = 21,782,832.30 × 8,541,269.55
  4. Step 4: Simplify right side
    15,784,613.55x = 186,053,042,236,746.50
  5. Step 5: Solve for x
    x = 186,053,042,236,746.50/15,784,613.55
  6. Step 6: Final answer
    x = 11,786,987.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.