Home / 38,757,208.46-53,484,923.31-21,353,553.51

Finding the Fourth Proportional to 38,757,208.46, 53,484,923.31 and 21,353,553.51

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Solution

The fourth proportional to 38,757,208.46, 53,484,923.31 and 21,353,553.51 is: 29,467,890.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,757,208.46 : 53,484,923.31 = 21,353,553.51 : x
  2. Step 2: Convert to fraction form
    38,757,208.46/53,484,923.31 = 21,353,553.51/x
  3. Step 3: Cross multiply
    38,757,208.46x = 53,484,923.31 × 21,353,553.51
  4. Step 4: Simplify right side
    38,757,208.46x = 1,142,093,171,878,331.50
  5. Step 5: Solve for x
    x = 1,142,093,171,878,331.50/38,757,208.46
  6. Step 6: Final answer
    x = 29,467,890.42

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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.