Home / 9,991,090.55-13,787,819.95-5,861,191.94

Finding the Fourth Proportional to 9,991,090.55, 13,787,819.95 and 5,861,191.94

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Solution

The fourth proportional to 9,991,090.55, 13,787,819.95 and 5,861,191.94 is: 8,088,512.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991,090.55 : 13,787,819.95 = 5,861,191.94 : x
  2. Step 2: Convert to fraction form
    9,991,090.55/13,787,819.95 = 5,861,191.94/x
  3. Step 3: Cross multiply
    9,991,090.55x = 13,787,819.95 × 5,861,191.94
  4. Step 4: Simplify right side
    9,991,090.55x = 80,813,059,217,769.67
  5. Step 5: Solve for x
    x = 80,813,059,217,769.67/9,991,090.55
  6. Step 6: Final answer
    x = 8,088,512.34

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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.