Home / 39,229,546.20-54,135,411.62-21,586,798.50

Finding the Fourth Proportional to 39,229,546.20, 54,135,411.62 and 21,586,798.50

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Solution

The fourth proportional to 39,229,546.20, 54,135,411.62 and 21,586,798.50 is: 29,789,032.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,229,546.20 : 54,135,411.62 = 21,586,798.50 : x
  2. Step 2: Convert to fraction form
    39,229,546.20/54,135,411.62 = 21,586,798.50/x
  3. Step 3: Cross multiply
    39,229,546.20x = 54,135,411.62 × 21,586,798.50
  4. Step 4: Simplify right side
    39,229,546.20x = 1,168,610,222,355,498.50
  5. Step 5: Solve for x
    x = 1,168,610,222,355,498.50/39,229,546.20
  6. Step 6: Final answer
    x = 29,789,032.39

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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.