Home / 27,313,555.20-40,881,859.20-21,297,350.40

Finding the Fourth Proportional to 27,313,555.20, 40,881,859.20 and 21,297,350.40

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Solution

The fourth proportional to 27,313,555.20, 40,881,859.20 and 21,297,350.40 is: 31,877,039.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,313,555.20 : 40,881,859.20 = 21,297,350.40 : x
  2. Step 2: Convert to fraction form
    27,313,555.20/40,881,859.20 = 21,297,350.40/x
  3. Step 3: Cross multiply
    27,313,555.20x = 40,881,859.20 × 21,297,350.40
  4. Step 4: Simplify right side
    27,313,555.20x = 870,675,280,385,863.62
  5. Step 5: Solve for x
    x = 870,675,280,385,863.62/27,313,555.20
  6. Step 6: Final answer
    x = 31,877,039.59

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1.5x scale

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.