Home / 15,285,236.23-21,093,793.42-8,315,953.40

Finding the Fourth Proportional to 15,285,236.23, 21,093,793.42 and 8,315,953.40

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Solution

The fourth proportional to 15,285,236.23, 21,093,793.42 and 8,315,953.40 is: 11,476,106.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285,236.23 : 21,093,793.42 = 8,315,953.40 : x
  2. Step 2: Convert to fraction form
    15,285,236.23/21,093,793.42 = 8,315,953.40/x
  3. Step 3: Cross multiply
    15,285,236.23x = 21,093,793.42 × 8,315,953.40
  4. Step 4: Simplify right side
    15,285,236.23x = 175,415,003,109,946.66
  5. Step 5: Solve for x
    x = 175,415,003,109,946.66/15,285,236.23
  6. Step 6: Final answer
    x = 11,476,106.78

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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.