Home / 23,189,481.72-34,628,062.88-18,938,083.32

Finding the Fourth Proportional to 23,189,481.72, 34,628,062.88 and 18,938,083.32

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Solution

The fourth proportional to 23,189,481.72, 34,628,062.88 and 18,938,083.32 is: 28,279,594.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,189,481.72 : 34,628,062.88 = 18,938,083.32 : x
  2. Step 2: Convert to fraction form
    23,189,481.72/34,628,062.88 = 18,938,083.32/x
  3. Step 3: Cross multiply
    23,189,481.72x = 34,628,062.88 × 18,938,083.32
  4. Step 4: Simplify right side
    23,189,481.72x = 655,789,140,031,639.25
  5. Step 5: Solve for x
    x = 655,789,140,031,639.25/23,189,481.72
  6. Step 6: Final answer
    x = 28,279,594.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.