Home / 38,528,992.56-53,172,398.64-21,359,584.56

Finding the Fourth Proportional to 38,528,992.56, 53,172,398.64 and 21,359,584.56

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Solution

The fourth proportional to 38,528,992.56, 53,172,398.64 and 21,359,584.56 is: 29,477,551.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,528,992.56 : 53,172,398.64 = 21,359,584.56 : x
  2. Step 2: Convert to fraction form
    38,528,992.56/53,172,398.64 = 21,359,584.56/x
  3. Step 3: Cross multiply
    38,528,992.56x = 53,172,398.64 × 21,359,584.56
  4. Step 4: Simplify right side
    38,528,992.56x = 1,135,740,345,009,109
  5. Step 5: Solve for x
    x = 1,135,740,345,009,109/38,528,992.56
  6. Step 6: Final answer
    x = 29,477,551.05

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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.