Home / 18,735,561.49-25,847,157.54-12,542,603.17

Finding the Fourth Proportional to 18,735,561.49, 25,847,157.54 and 12,542,603.17

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Solution

The fourth proportional to 18,735,561.49, 25,847,157.54 and 12,542,603.17 is: 17,303,492.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735,561.49 : 25,847,157.54 = 12,542,603.17 : x
  2. Step 2: Convert to fraction form
    18,735,561.49/25,847,157.54 = 12,542,603.17/x
  3. Step 3: Cross multiply
    18,735,561.49x = 25,847,157.54 × 12,542,603.17
  4. Step 4: Simplify right side
    18,735,561.49x = 324,190,640,096,693.38
  5. Step 5: Solve for x
    x = 324,190,640,096,693.38/18,735,561.49
  6. Step 6: Final answer
    x = 17,303,492.09

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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.