Home / 38,875,114.10-53,647,338.50-21,234,027.91

Finding the Fourth Proportional to 38,875,114.10, 53,647,338.50 and 21,234,027.91

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Solution

The fourth proportional to 38,875,114.10, 53,647,338.50 and 21,234,027.91 is: 29,302,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,875,114.10 : 53,647,338.50 = 21,234,027.91 : x
  2. Step 2: Convert to fraction form
    38,875,114.10/53,647,338.50 = 21,234,027.91/x
  3. Step 3: Cross multiply
    38,875,114.10x = 53,647,338.50 × 21,234,027.91
  4. Step 4: Simplify right side
    38,875,114.10x = 1,139,149,083,006,217.50
  5. Step 5: Solve for x
    x = 1,139,149,083,006,217.50/38,875,114.10
  6. Step 6: Final answer
    x = 29,302,784.30

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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.