Home / 39,169,901.54-54,054,953.97-21,530,729.93

Finding the Fourth Proportional to 39,169,901.54, 54,054,953.97 and 21,530,729.93

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Solution

The fourth proportional to 39,169,901.54, 54,054,953.97 and 21,530,729.93 is: 29,712,676.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,169,901.54 : 54,054,953.97 = 21,530,729.93 : x
  2. Step 2: Convert to fraction form
    39,169,901.54/54,054,953.97 = 21,530,729.93/x
  3. Step 3: Cross multiply
    39,169,901.54x = 54,054,953.97 × 21,530,729.93
  4. Step 4: Simplify right side
    39,169,901.54x = 1,163,842,615,306,651.25
  5. Step 5: Solve for x
    x = 1,163,842,615,306,651.25/39,169,901.54
  6. Step 6: Final answer
    x = 29,712,676.56

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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.