Home / 20,774,648.52-28,670,498.40-11,482,018.89

Finding the Fourth Proportional to 20,774,648.52, 28,670,498.40 and 11,482,018.89

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Solution

The fourth proportional to 20,774,648.52, 28,670,498.40 and 11,482,018.89 is: 15,846,005.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,774,648.52 : 28,670,498.40 = 11,482,018.89 : x
  2. Step 2: Convert to fraction form
    20,774,648.52/28,670,498.40 = 11,482,018.89/x
  3. Step 3: Cross multiply
    20,774,648.52x = 28,670,498.40 × 11,482,018.89
  4. Step 4: Simplify right side
    20,774,648.52x = 329,195,204,214,514.75
  5. Step 5: Solve for x
    x = 329,195,204,214,514.75/20,774,648.52
  6. Step 6: Final answer
    x = 15,846,005.96

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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.