Home / 13,900,015.20-20,852,096.40-4,923,861.60

Finding the Fourth Proportional to 13,900,015.20, 20,852,096.40 and 4,923,861.60

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Solution

The fourth proportional to 13,900,015.20, 20,852,096.40 and 4,923,861.60 is: 7,386,526.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900,015.20 : 20,852,096.40 = 4,923,861.60 : x
  2. Step 2: Convert to fraction form
    13,900,015.20/20,852,096.40 = 4,923,861.60/x
  3. Step 3: Cross multiply
    13,900,015.20x = 20,852,096.40 × 4,923,861.60
  4. Step 4: Simplify right side
    13,900,015.20x = 102,672,836,743,458.22
  5. Step 5: Solve for x
    x = 102,672,836,743,458.22/13,900,015.20
  6. Step 6: Final answer
    x = 7,386,526.94

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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.