Home / 7,008,622.40-10,509,861.60-3,220,846.40

Finding the Fourth Proportional to 7,008,622.40, 10,509,861.60 and 3,220,846.40

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Solution

The fourth proportional to 7,008,622.40, 10,509,861.60 and 3,220,846.40 is: 4,829,857.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008,622.40 : 10,509,861.60 = 3,220,846.40 : x
  2. Step 2: Convert to fraction form
    7,008,622.40/10,509,861.60 = 3,220,846.40/x
  3. Step 3: Cross multiply
    7,008,622.40x = 10,509,861.60 × 3,220,846.40
  4. Step 4: Simplify right side
    7,008,622.40x = 33,850,649,898,858.24
  5. Step 5: Solve for x
    x = 33,850,649,898,858.24/7,008,622.40
  6. Step 6: Final answer
    x = 4,829,857.85

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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.