Home / 15,404,799.42-21,259,286.91-8,529,281.10

Finding the Fourth Proportional to 15,404,799.42, 21,259,286.91 and 8,529,281.10

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Solution

The fourth proportional to 15,404,799.42, 21,259,286.91 and 8,529,281.10 is: 11,770,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404,799.42 : 21,259,286.91 = 8,529,281.10 : x
  2. Step 2: Convert to fraction form
    15,404,799.42/21,259,286.91 = 8,529,281.10/x
  3. Step 3: Cross multiply
    15,404,799.42x = 21,259,286.91 × 8,529,281.10
  4. Step 4: Simplify right side
    15,404,799.42x = 181,326,434,040,940.41
  5. Step 5: Solve for x
    x = 181,326,434,040,940.41/15,404,799.42
  6. Step 6: Final answer
    x = 11,770,775.40

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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.