Home / 10,782,966.78-16,169,041.53-3,591,972.54

Finding the Fourth Proportional to 10,782,966.78, 16,169,041.53 and 3,591,972.54

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Solution

The fourth proportional to 10,782,966.78, 16,169,041.53 and 3,591,972.54 is: 5,386,157.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782,966.78 : 16,169,041.53 = 3,591,972.54 : x
  2. Step 2: Convert to fraction form
    10,782,966.78/16,169,041.53 = 3,591,972.54/x
  3. Step 3: Cross multiply
    10,782,966.78x = 16,169,041.53 × 3,591,972.54
  4. Step 4: Simplify right side
    10,782,966.78x = 58,078,753,173,879.59
  5. Step 5: Solve for x
    x = 58,078,753,173,879.59/10,782,966.78
  6. Step 6: Final answer
    x = 5,386,157.11

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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.