Home / 10,512,099.40-15,768,149.10-6,189,712.60

Finding the Fourth Proportional to 10,512,099.40, 15,768,149.10 and 6,189,712.60

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Solution

The fourth proportional to 10,512,099.40, 15,768,149.10 and 6,189,712.60 is: 9,284,568.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512,099.40 : 15,768,149.10 = 6,189,712.60 : x
  2. Step 2: Convert to fraction form
    10,512,099.40/15,768,149.10 = 6,189,712.60/x
  3. Step 3: Cross multiply
    10,512,099.40x = 15,768,149.10 × 6,189,712.60
  4. Step 4: Simplify right side
    10,512,099.40x = 97,600,311,162,948.66
  5. Step 5: Solve for x
    x = 97,600,311,162,948.66/10,512,099.40
  6. Step 6: Final answer
    x = 9,284,568.90

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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.