Home / 15,529,613.88-21,431,023.02-8,560,539

Finding the Fourth Proportional to 15,529,613.88, 21,431,023.02 and 8,560,539

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Solution

The fourth proportional to 15,529,613.88, 21,431,023.02 and 8,560,539 is: 11,813,629.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,529,613.88 : 21,431,023.02 = 8,560,539 : x
  2. Step 2: Convert to fraction form
    15,529,613.88/21,431,023.02 = 8,560,539/x
  3. Step 3: Cross multiply
    15,529,613.88x = 21,431,023.02 × 8,560,539
  4. Step 4: Simplify right side
    15,529,613.88x = 183,461,108,372,607.78
  5. Step 5: Solve for x
    x = 183,461,108,372,607.78/15,529,613.88
  6. Step 6: Final answer
    x = 11,813,629.74

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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.