Home / 15,412,466.47-21,269,034.22-8,347,883.95

Finding the Fourth Proportional to 15,412,466.47, 21,269,034.22 and 8,347,883.95

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Solution

The fourth proportional to 15,412,466.47, 21,269,034.22 and 8,347,883.95 is: 11,519,988.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,412,466.47 : 21,269,034.22 = 8,347,883.95 : x
  2. Step 2: Convert to fraction form
    15,412,466.47/21,269,034.22 = 8,347,883.95/x
  3. Step 3: Cross multiply
    15,412,466.47x = 21,269,034.22 × 8,347,883.95
  4. Step 4: Simplify right side
    15,412,466.47x = 177,551,429,394,480.28
  5. Step 5: Solve for x
    x = 177,551,429,394,480.28/15,412,466.47
  6. Step 6: Final answer
    x = 11,519,988.04

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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.