Home / 39,036,393.79-53,870,540.30-21,633,025.39

Finding the Fourth Proportional to 39,036,393.79, 53,870,540.30 and 21,633,025.39

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Solution

The fourth proportional to 39,036,393.79, 53,870,540.30 and 21,633,025.39 is: 29,853,750.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,036,393.79 : 53,870,540.30 = 21,633,025.39 : x
  2. Step 2: Convert to fraction form
    39,036,393.79/53,870,540.30 = 21,633,025.39/x
  3. Step 3: Cross multiply
    39,036,393.79x = 53,870,540.30 × 21,633,025.39
  4. Step 4: Simplify right side
    39,036,393.79x = 1,165,382,765,921,200.50
  5. Step 5: Solve for x
    x = 1,165,382,765,921,200.50/39,036,393.79
  6. Step 6: Final answer
    x = 29,853,750.64

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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.