Home / 15,061,143.68-20,784,514.88-8,185,642.24

Finding the Fourth Proportional to 15,061,143.68, 20,784,514.88 and 8,185,642.24

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Solution

The fourth proportional to 15,061,143.68, 20,784,514.88 and 8,185,642.24 is: 11,296,260.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,061,143.68 : 20,784,514.88 = 8,185,642.24 : x
  2. Step 2: Convert to fraction form
    15,061,143.68/20,784,514.88 = 8,185,642.24/x
  3. Step 3: Cross multiply
    15,061,143.68x = 20,784,514.88 × 8,185,642.24
  4. Step 4: Simplify right side
    15,061,143.68x = 170,134,602,939,636.53
  5. Step 5: Solve for x
    x = 170,134,602,939,636.53/15,061,143.68
  6. Step 6: Final answer
    x = 11,296,260.53

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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.