Home / 21,352,618.17-29,466,628.61-11,563,072.92

Finding the Fourth Proportional to 21,352,618.17, 29,466,628.61 and 11,563,072.92

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Solution

The fourth proportional to 21,352,618.17, 29,466,628.61 and 11,563,072.92 is: 15,957,049.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,352,618.17 : 29,466,628.61 = 11,563,072.92 : x
  2. Step 2: Convert to fraction form
    21,352,618.17/29,466,628.61 = 11,563,072.92/x
  3. Step 3: Cross multiply
    21,352,618.17x = 29,466,628.61 × 11,563,072.92
  4. Step 4: Simplify right side
    21,352,618.17x = 340,724,775,266,172.88
  5. Step 5: Solve for x
    x = 340,724,775,266,172.88/21,352,618.17
  6. Step 6: Final answer
    x = 15,957,049.04

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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.