Home / 10,377,083.20-15,544,629.60-7,185,812.80

Finding the Fourth Proportional to 10,377,083.20, 15,544,629.60 and 7,185,812.80

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Solution

The fourth proportional to 10,377,083.20, 15,544,629.60 and 7,185,812.80 is: 10,764,180.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377,083.20 : 15,544,629.60 = 7,185,812.80 : x
  2. Step 2: Convert to fraction form
    10,377,083.20/15,544,629.60 = 7,185,812.80/x
  3. Step 3: Cross multiply
    10,377,083.20x = 15,544,629.60 × 7,185,812.80
  4. Step 4: Simplify right side
    10,377,083.20x = 111,700,798,350,938.88
  5. Step 5: Solve for x
    x = 111,700,798,350,938.88/10,377,083.20
  6. Step 6: Final answer
    x = 10,764,180.67

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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.