Home / 14,002,740.50-20,964,500.97-7,422,455.76

Finding the Fourth Proportional to 14,002,740.50, 20,964,500.97 and 7,422,455.76

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Solution

The fourth proportional to 14,002,740.50, 20,964,500.97 and 7,422,455.76 is: 11,112,687.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002,740.50 : 20,964,500.97 = 7,422,455.76 : x
  2. Step 2: Convert to fraction form
    14,002,740.50/20,964,500.97 = 7,422,455.76/x
  3. Step 3: Cross multiply
    14,002,740.50x = 20,964,500.97 × 7,422,455.76
  4. Step 4: Simplify right side
    14,002,740.50x = 155,608,080,980,302.06
  5. Step 5: Solve for x
    x = 155,608,080,980,302.06/14,002,740.50
  6. Step 6: Final answer
    x = 11,112,687.62

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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.