Home / 17,129,480.81-23,640,178.26-9,396,017.81

Finding the Fourth Proportional to 17,129,480.81, 23,640,178.26 and 9,396,017.81

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Solution

The fourth proportional to 17,129,480.81, 23,640,178.26 and 9,396,017.81 is: 12,967,324.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,129,480.81 : 23,640,178.26 = 9,396,017.81 : x
  2. Step 2: Convert to fraction form
    17,129,480.81/23,640,178.26 = 9,396,017.81/x
  3. Step 3: Cross multiply
    17,129,480.81x = 23,640,178.26 × 9,396,017.81
  4. Step 4: Simplify right side
    17,129,480.81x = 222,123,535,968,219.66
  5. Step 5: Solve for x
    x = 222,123,535,968,219.66/17,129,480.81
  6. Step 6: Final answer
    x = 12,967,324.49

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1.5x scale

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.