Home / 18,118,777.77-25,004,947.92-10,385,108.37

Finding the Fourth Proportional to 18,118,777.77, 25,004,947.92 and 10,385,108.37

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Solution

The fourth proportional to 18,118,777.77, 25,004,947.92 and 10,385,108.37 is: 14,332,042.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118,777.77 : 25,004,947.92 = 10,385,108.37 : x
  2. Step 2: Convert to fraction form
    18,118,777.77/25,004,947.92 = 10,385,108.37/x
  3. Step 3: Cross multiply
    18,118,777.77x = 25,004,947.92 × 10,385,108.37
  4. Step 4: Simplify right side
    18,118,777.77x = 259,679,093,935,406.09
  5. Step 5: Solve for x
    x = 259,679,093,935,406.09/18,118,777.77
  6. Step 6: Final answer
    x = 14,332,042.55

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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.