Home / 18,826,114.56-28,239,168-11,255,247.36

Finding the Fourth Proportional to 18,826,114.56, 28,239,168 and 11,255,247.36

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Solution

The fourth proportional to 18,826,114.56, 28,239,168 and 11,255,247.36 is: 16,882,868.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826,114.56 : 28,239,168 = 11,255,247.36 : x
  2. Step 2: Convert to fraction form
    18,826,114.56/28,239,168 = 11,255,247.36/x
  3. Step 3: Cross multiply
    18,826,114.56x = 28,239,168 × 11,255,247.36
  4. Step 4: Simplify right side
    18,826,114.56x = 317,838,821,080,596.44
  5. Step 5: Solve for x
    x = 317,838,821,080,596.44/18,826,114.56
  6. Step 6: Final answer
    x = 16,882,868.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.