Home / 18,510,340.64-25,543,949.84-10,250,239.20

Finding the Fourth Proportional to 18,510,340.64, 25,543,949.84 and 10,250,239.20

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Solution

The fourth proportional to 18,510,340.64, 25,543,949.84 and 10,250,239.20 is: 14,145,152.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510,340.64 : 25,543,949.84 = 10,250,239.20 : x
  2. Step 2: Convert to fraction form
    18,510,340.64/25,543,949.84 = 10,250,239.20/x
  3. Step 3: Cross multiply
    18,510,340.64x = 25,543,949.84 × 10,250,239.20
  4. Step 4: Simplify right side
    18,510,340.64x = 261,831,595,972,801.72
  5. Step 5: Solve for x
    x = 261,831,595,972,801.72/18,510,340.64
  6. Step 6: Final answer
    x = 14,145,152.76

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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.