Home / 13,889,064.36-20,812,674.78-12,375,458.04

Finding the Fourth Proportional to 13,889,064.36, 20,812,674.78 and 12,375,458.04

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Solution

The fourth proportional to 13,889,064.36, 20,812,674.78 and 12,375,458.04 is: 18,544,545.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889,064.36 : 20,812,674.78 = 12,375,458.04 : x
  2. Step 2: Convert to fraction form
    13,889,064.36/20,812,674.78 = 12,375,458.04/x
  3. Step 3: Cross multiply
    13,889,064.36x = 20,812,674.78 × 12,375,458.04
  4. Step 4: Simplify right side
    13,889,064.36x = 257,566,383,440,056.22
  5. Step 5: Solve for x
    x = 257,566,383,440,056.22/13,889,064.36
  6. Step 6: Final answer
    x = 18,544,545.32

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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.