Home / 7,193,136.20-10,771,989.60-3,402,190.40

Finding the Fourth Proportional to 7,193,136.20, 10,771,989.60 and 3,402,190.40

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Solution

The fourth proportional to 7,193,136.20, 10,771,989.60 and 3,402,190.40 is: 5,094,906.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,193,136.20 : 10,771,989.60 = 3,402,190.40 : x
  2. Step 2: Convert to fraction form
    7,193,136.20/10,771,989.60 = 3,402,190.40/x
  3. Step 3: Cross multiply
    7,193,136.20x = 10,771,989.60 × 3,402,190.40
  4. Step 4: Simplify right side
    7,193,136.20x = 36,648,359,606,019.84
  5. Step 5: Solve for x
    x = 36,648,359,606,019.84/7,193,136.20
  6. Step 6: Final answer
    x = 5,094,906.95

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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.