Home / 38,032,932.78-52,485,061.41-20,628,904.14

Finding the Fourth Proportional to 38,032,932.78, 52,485,061.41 and 20,628,904.14

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Solution

The fourth proportional to 38,032,932.78, 52,485,061.41 and 20,628,904.14 is: 28,467,678.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,032,932.78 : 52,485,061.41 = 20,628,904.14 : x
  2. Step 2: Convert to fraction form
    38,032,932.78/52,485,061.41 = 20,628,904.14/x
  3. Step 3: Cross multiply
    38,032,932.78x = 52,485,061.41 × 20,628,904.14
  4. Step 4: Simplify right side
    38,032,932.78x = 1,082,709,300,608,903.25
  5. Step 5: Solve for x
    x = 1,082,709,300,608,903.25/38,032,932.78
  6. Step 6: Final answer
    x = 28,467,678.44

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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.