Home / 20,160,678.80-30,244,954.80-8,028,077.60

Finding the Fourth Proportional to 20,160,678.80, 30,244,954.80 and 8,028,077.60

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Solution

The fourth proportional to 20,160,678.80, 30,244,954.80 and 8,028,077.60 is: 12,043,683.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,678.80 : 30,244,954.80 = 8,028,077.60 : x
  2. Step 2: Convert to fraction form
    20,160,678.80/30,244,954.80 = 8,028,077.60/x
  3. Step 3: Cross multiply
    20,160,678.80x = 30,244,954.80 × 8,028,077.60
  4. Step 4: Simplify right side
    20,160,678.80x = 242,808,844,142,892.47
  5. Step 5: Solve for x
    x = 242,808,844,142,892.47/20,160,678.80
  6. Step 6: Final answer
    x = 12,043,683.97

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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.