Home / 30,760,380.66-42,448,485.51-17,008,874.58

Finding the Fourth Proportional to 30,760,380.66, 42,448,485.51 and 17,008,874.58

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Solution

The fourth proportional to 30,760,380.66, 42,448,485.51 and 17,008,874.58 is: 23,471,782.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,760,380.66 : 42,448,485.51 = 17,008,874.58 : x
  2. Step 2: Convert to fraction form
    30,760,380.66/42,448,485.51 = 17,008,874.58/x
  3. Step 3: Cross multiply
    30,760,380.66x = 42,448,485.51 × 17,008,874.58
  4. Step 4: Simplify right side
    30,760,380.66x = 722,000,966,150,537.25
  5. Step 5: Solve for x
    x = 722,000,966,150,537.25/30,760,380.66
  6. Step 6: Final answer
    x = 23,471,782.55

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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.