Home / 7,166,199.40-10,749,232.58-2,905,354.78

Finding the Fourth Proportional to 7,166,199.40, 10,749,232.58 and 2,905,354.78

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Solution

The fourth proportional to 7,166,199.40, 10,749,232.58 and 2,905,354.78 is: 4,358,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,166,199.40 : 10,749,232.58 = 2,905,354.78 : x
  2. Step 2: Convert to fraction form
    7,166,199.40/10,749,232.58 = 2,905,354.78/x
  3. Step 3: Cross multiply
    7,166,199.40x = 10,749,232.58 × 2,905,354.78
  4. Step 4: Simplify right side
    7,166,199.40x = 31,230,334,216,234.88
  5. Step 5: Solve for x
    x = 31,230,334,216,234.88/7,166,199.40
  6. Step 6: Final answer
    x = 4,358,005.20

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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.