Home / 7,264,861.60-10,899,625.20-3,219,786.40

Finding the Fourth Proportional to 7,264,861.60, 10,899,625.20 and 3,219,786.40

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Solution

The fourth proportional to 7,264,861.60, 10,899,625.20 and 3,219,786.40 is: 4,830,713.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,264,861.60 : 10,899,625.20 = 3,219,786.40 : x
  2. Step 2: Convert to fraction form
    7,264,861.60/10,899,625.20 = 3,219,786.40/x
  3. Step 3: Cross multiply
    7,264,861.60x = 10,899,625.20 × 3,219,786.40
  4. Step 4: Simplify right side
    7,264,861.60x = 35,094,464,984,057.28
  5. Step 5: Solve for x
    x = 35,094,464,984,057.28/7,264,861.60
  6. Step 6: Final answer
    x = 4,830,713.50

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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.