Home / 20,610,693.20-30,889,601.40-11,512,773.20

Finding the Fourth Proportional to 20,610,693.20, 30,889,601.40 and 11,512,773.20

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Solution

The fourth proportional to 20,610,693.20, 30,889,601.40 and 11,512,773.20 is: 17,254,391.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,610,693.20 : 30,889,601.40 = 11,512,773.20 : x
  2. Step 2: Convert to fraction form
    20,610,693.20/30,889,601.40 = 11,512,773.20/x
  3. Step 3: Cross multiply
    20,610,693.20x = 30,889,601.40 × 11,512,773.20
  4. Step 4: Simplify right side
    20,610,693.20x = 355,624,975,156,602.44
  5. Step 5: Solve for x
    x = 355,624,975,156,602.44/20,610,693.20
  6. Step 6: Final answer
    x = 17,254,391.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.