Home / 21,313,834.05-31,965,861.09-5,962,210.45

Finding the Fourth Proportional to 21,313,834.05, 31,965,861.09 and 5,962,210.45

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Solution

The fourth proportional to 21,313,834.05, 31,965,861.09 and 5,962,210.45 is: 8,941,947.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,313,834.05 : 31,965,861.09 = 5,962,210.45 : x
  2. Step 2: Convert to fraction form
    21,313,834.05/31,965,861.09 = 5,962,210.45/x
  3. Step 3: Cross multiply
    21,313,834.05x = 31,965,861.09 × 5,962,210.45
  4. Step 4: Simplify right side
    21,313,834.05x = 190,587,190,971,140.44
  5. Step 5: Solve for x
    x = 190,587,190,971,140.44/21,313,834.05
  6. Step 6: Final answer
    x = 8,941,947.77

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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.