Home / 38,612,893.80-57,918,455.10-19,438,501.80

Finding the Fourth Proportional to 38,612,893.80, 57,918,455.10 and 19,438,501.80

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Solution

The fourth proportional to 38,612,893.80, 57,918,455.10 and 19,438,501.80 is: 29,157,306.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,612,893.80 : 57,918,455.10 = 19,438,501.80 : x
  2. Step 2: Convert to fraction form
    38,612,893.80/57,918,455.10 = 19,438,501.80/x
  3. Step 3: Cross multiply
    38,612,893.80x = 57,918,455.10 × 19,438,501.80
  4. Step 4: Simplify right side
    38,612,893.80x = 1,125,847,993,714,569.25
  5. Step 5: Solve for x
    x = 1,125,847,993,714,569.25/38,612,893.80
  6. Step 6: Final answer
    x = 29,157,306.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.