Home / 38,147,498.64-52,641,945.63-21,628,734.48

Finding the Fourth Proportional to 38,147,498.64, 52,641,945.63 and 21,628,734.48

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Solution

The fourth proportional to 38,147,498.64, 52,641,945.63 and 21,628,734.48 is: 29,846,745.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,147,498.64 : 52,641,945.63 = 21,628,734.48 : x
  2. Step 2: Convert to fraction form
    38,147,498.64/52,641,945.63 = 21,628,734.48/x
  3. Step 3: Cross multiply
    38,147,498.64x = 52,641,945.63 × 21,628,734.48
  4. Step 4: Simplify right side
    38,147,498.64x = 1,138,578,664,541,866.50
  5. Step 5: Solve for x
    x = 1,138,578,664,541,866.50/38,147,498.64
  6. Step 6: Final answer
    x = 29,846,745.01

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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.