Home / 18,263,761.45-25,202,697.86-10,421,436.13

Finding the Fourth Proportional to 18,263,761.45, 25,202,697.86 and 10,421,436.13

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Solution

The fourth proportional to 18,263,761.45, 25,202,697.86 and 10,421,436.13 is: 14,380,844.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,263,761.45 : 25,202,697.86 = 10,421,436.13 : x
  2. Step 2: Convert to fraction form
    18,263,761.45/25,202,697.86 = 10,421,436.13/x
  3. Step 3: Cross multiply
    18,263,761.45x = 25,202,697.86 × 10,421,436.13
  4. Step 4: Simplify right side
    18,263,761.45x = 262,648,305,873,557.03
  5. Step 5: Solve for x
    x = 262,648,305,873,557.03/18,263,761.45
  6. Step 6: Final answer
    x = 14,380,844.09

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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.