Home / 10,484,500.78-15,727,660.04-3,199,600.71

Finding the Fourth Proportional to 10,484,500.78, 15,727,660.04 and 3,199,600.71

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Solution

The fourth proportional to 10,484,500.78, 15,727,660.04 and 3,199,600.71 is: 4,799,678.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,484,500.78 : 15,727,660.04 = 3,199,600.71 : x
  2. Step 2: Convert to fraction form
    10,484,500.78/15,727,660.04 = 3,199,600.71/x
  3. Step 3: Cross multiply
    10,484,500.78x = 15,727,660.04 × 3,199,600.71
  4. Step 4: Simplify right side
    10,484,500.78x = 50,322,232,167,644.40
  5. Step 5: Solve for x
    x = 50,322,232,167,644.40/10,484,500.78
  6. Step 6: Final answer
    x = 4,799,678.42

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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.