Home / 20,864,738.40-31,230,752.40-14,892,770.40

Finding the Fourth Proportional to 20,864,738.40, 31,230,752.40 and 14,892,770.40

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Solution

The fourth proportional to 20,864,738.40, 31,230,752.40 and 14,892,770.40 is: 22,291,792.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,864,738.40 : 31,230,752.40 = 14,892,770.40 : x
  2. Step 2: Convert to fraction form
    20,864,738.40/31,230,752.40 = 14,892,770.40/x
  3. Step 3: Cross multiply
    20,864,738.40x = 31,230,752.40 × 14,892,770.40
  4. Step 4: Simplify right side
    20,864,738.40x = 465,112,424,912,448.94
  5. Step 5: Solve for x
    x = 465,112,424,912,448.94/20,864,738.40
  6. Step 6: Final answer
    x = 22,291,792.78

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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.