Home / 15,800,162.43-21,805,997.40-8,925,087.36

Finding the Fourth Proportional to 15,800,162.43, 21,805,997.40 and 8,925,087.36

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Solution

The fourth proportional to 15,800,162.43, 21,805,997.40 and 8,925,087.36 is: 12,317,622.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,800,162.43 : 21,805,997.40 = 8,925,087.36 : x
  2. Step 2: Convert to fraction form
    15,800,162.43/21,805,997.40 = 8,925,087.36/x
  3. Step 3: Cross multiply
    15,800,162.43x = 21,805,997.40 × 8,925,087.36
  4. Step 4: Simplify right side
    15,800,162.43x = 194,620,431,766,932.84
  5. Step 5: Solve for x
    x = 194,620,431,766,932.84/15,800,162.43
  6. Step 6: Final answer
    x = 12,317,622.22

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1.5x scale

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.