Home / 20,727,500.28-31,084,513.98-6,890,744.76

Finding the Fourth Proportional to 20,727,500.28, 31,084,513.98 and 6,890,744.76

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Solution

The fourth proportional to 20,727,500.28, 31,084,513.98 and 6,890,744.76 is: 10,333,877.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727,500.28 : 31,084,513.98 = 6,890,744.76 : x
  2. Step 2: Convert to fraction form
    20,727,500.28/31,084,513.98 = 6,890,744.76/x
  3. Step 3: Cross multiply
    20,727,500.28x = 31,084,513.98 × 6,890,744.76
  4. Step 4: Simplify right side
    20,727,500.28x = 214,195,451,824,831.75
  5. Step 5: Solve for x
    x = 214,195,451,824,831.75/20,727,500.28
  6. Step 6: Final answer
    x = 10,333,877.65

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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.