Home / 10,925,385.60-16,388,078.40-7,524,163.20

Finding the Fourth Proportional to 10,925,385.60, 16,388,078.40 and 7,524,163.20

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Solution

The fourth proportional to 10,925,385.60, 16,388,078.40 and 7,524,163.20 is: 11,286,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925,385.60 : 16,388,078.40 = 7,524,163.20 : x
  2. Step 2: Convert to fraction form
    10,925,385.60/16,388,078.40 = 7,524,163.20/x
  3. Step 3: Cross multiply
    10,925,385.60x = 16,388,078.40 × 7,524,163.20
  4. Step 4: Simplify right side
    10,925,385.60x = 123,306,576,415,994.89
  5. Step 5: Solve for x
    x = 123,306,576,415,994.89/10,925,385.60
  6. Step 6: Final answer
    x = 11,286,244.80

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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.