Home / 15,772,489.75-21,766,036.94-8,529,145.75

Finding the Fourth Proportional to 15,772,489.75, 21,766,036.94 and 8,529,145.75

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Solution

The fourth proportional to 15,772,489.75, 21,766,036.94 and 8,529,145.75 is: 11,770,221.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,772,489.75 : 21,766,036.94 = 8,529,145.75 : x
  2. Step 2: Convert to fraction form
    15,772,489.75/21,766,036.94 = 8,529,145.75/x
  3. Step 3: Cross multiply
    15,772,489.75x = 21,766,036.94 × 8,529,145.75
  4. Step 4: Simplify right side
    15,772,489.75x = 185,645,701,461,144.03
  5. Step 5: Solve for x
    x = 185,645,701,461,144.03/15,772,489.75
  6. Step 6: Final answer
    x = 11,770,221.72

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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.