Home / 10,958,971.39-15,111,004.51-8,196,806.80

Finding the Fourth Proportional to 10,958,971.39, 15,111,004.51 and 8,196,806.80

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Solution

The fourth proportional to 10,958,971.39, 15,111,004.51 and 8,196,806.80 is: 11,302,336.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,958,971.39 : 15,111,004.51 = 8,196,806.80 : x
  2. Step 2: Convert to fraction form
    10,958,971.39/15,111,004.51 = 8,196,806.80/x
  3. Step 3: Cross multiply
    10,958,971.39x = 15,111,004.51 × 8,196,806.80
  4. Step 4: Simplify right side
    10,958,971.39x = 123,861,984,466,534.05
  5. Step 5: Solve for x
    x = 123,861,984,466,534.05/10,958,971.39
  6. Step 6: Final answer
    x = 11,302,336.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.