Home / 10,356,466.20-15,532,208.10-5,305,176.60

Finding the Fourth Proportional to 10,356,466.20, 15,532,208.10 and 5,305,176.60

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Solution

The fourth proportional to 10,356,466.20, 15,532,208.10 and 5,305,176.60 is: 7,956,488.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356,466.20 : 15,532,208.10 = 5,305,176.60 : x
  2. Step 2: Convert to fraction form
    10,356,466.20/15,532,208.10 = 5,305,176.60/x
  3. Step 3: Cross multiply
    10,356,466.20x = 15,532,208.10 × 5,305,176.60
  4. Step 4: Simplify right side
    10,356,466.20x = 82,401,106,958,450.45
  5. Step 5: Solve for x
    x = 82,401,106,958,450.45/10,356,466.20
  6. Step 6: Final answer
    x = 7,956,488.76

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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.