Home / 21,335,227.38-31,989,881-8,365,839.46

Finding the Fourth Proportional to 21,335,227.38, 31,989,881 and 8,365,839.46

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Solution

The fourth proportional to 21,335,227.38, 31,989,881 and 8,365,839.46 is: 12,543,677.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335,227.38 : 31,989,881 = 8,365,839.46 : x
  2. Step 2: Convert to fraction form
    21,335,227.38/31,989,881 = 8,365,839.46/x
  3. Step 3: Cross multiply
    21,335,227.38x = 31,989,881 × 8,365,839.46
  4. Step 4: Simplify right side
    21,335,227.38x = 267,622,208,790,504.25
  5. Step 5: Solve for x
    x = 267,622,208,790,504.25/21,335,227.38
  6. Step 6: Final answer
    x = 12,543,677.37

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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.