Home / 20,727,491.28-31,084,500.48-6,890,735.76

Finding the Fourth Proportional to 20,727,491.28, 31,084,500.48 and 6,890,735.76

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Solution

The fourth proportional to 20,727,491.28, 31,084,500.48 and 6,890,735.76 is: 10,333,864.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727,491.28 : 31,084,500.48 = 6,890,735.76 : x
  2. Step 2: Convert to fraction form
    20,727,491.28/31,084,500.48 = 6,890,735.76/x
  3. Step 3: Cross multiply
    20,727,491.28x = 31,084,500.48 × 6,890,735.76
  4. Step 4: Simplify right side
    20,727,491.28x = 214,195,079,039,273.16
  5. Step 5: Solve for x
    x = 214,195,079,039,273.16/20,727,491.28
  6. Step 6: Final answer
    x = 10,333,864.15

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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.