Home / 10,351,928.22-14,285,469.60-5,642,364.30

Finding the Fourth Proportional to 10,351,928.22, 14,285,469.60 and 5,642,364.30

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Solution

The fourth proportional to 10,351,928.22, 14,285,469.60 and 5,642,364.30 is: 7,786,358.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351,928.22 : 14,285,469.60 = 5,642,364.30 : x
  2. Step 2: Convert to fraction form
    10,351,928.22/14,285,469.60 = 5,642,364.30/x
  3. Step 3: Cross multiply
    10,351,928.22x = 14,285,469.60 × 5,642,364.30
  4. Step 4: Simplify right side
    10,351,928.22x = 80,603,823,679,775.28
  5. Step 5: Solve for x
    x = 80,603,823,679,775.28/10,351,928.22
  6. Step 6: Final answer
    x = 7,786,358.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.