Home / 28,827,027.35-39,781,297.33-15,774,285.88

Finding the Fourth Proportional to 28,827,027.35, 39,781,297.33 and 15,774,285.88

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Solution

The fourth proportional to 28,827,027.35, 39,781,297.33 and 15,774,285.88 is: 21,768,514.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,827,027.35 : 39,781,297.33 = 15,774,285.88 : x
  2. Step 2: Convert to fraction form
    28,827,027.35/39,781,297.33 = 15,774,285.88/x
  3. Step 3: Cross multiply
    28,827,027.35x = 39,781,297.33 × 15,774,285.88
  4. Step 4: Simplify right side
    28,827,027.35x = 627,521,556,621,811.75
  5. Step 5: Solve for x
    x = 627,521,556,621,811.75/28,827,027.35
  6. Step 6: Final answer
    x = 21,768,514.29

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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.