Home / 13,257,743.30-18,285,321-8,613,024.92

Finding the Fourth Proportional to 13,257,743.30, 18,285,321 and 8,613,024.92

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Solution

The fourth proportional to 13,257,743.30, 18,285,321 and 8,613,024.92 is: 11,879,240.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257,743.30 : 18,285,321 = 8,613,024.92 : x
  2. Step 2: Convert to fraction form
    13,257,743.30/18,285,321 = 8,613,024.92/x
  3. Step 3: Cross multiply
    13,257,743.30x = 18,285,321 × 8,613,024.92
  4. Step 4: Simplify right side
    13,257,743.30x = 157,491,925,443,199.31
  5. Step 5: Solve for x
    x = 157,491,925,443,199.31/13,257,743.30
  6. Step 6: Final answer
    x = 11,879,240.82

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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.