Home / 20,455,966.72-30,662,377.44-6,805,456.96

Finding the Fourth Proportional to 20,455,966.72, 30,662,377.44 and 6,805,456.96

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Solution

The fourth proportional to 20,455,966.72, 30,662,377.44 and 6,805,456.96 is: 10,201,008.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,455,966.72 : 30,662,377.44 = 6,805,456.96 : x
  2. Step 2: Convert to fraction form
    20,455,966.72/30,662,377.44 = 6,805,456.96/x
  3. Step 3: Cross multiply
    20,455,966.72x = 30,662,377.44 × 6,805,456.96
  4. Step 4: Simplify right side
    20,455,966.72x = 208,671,489,959,195
  5. Step 5: Solve for x
    x = 208,671,489,959,195/20,455,966.72
  6. Step 6: Final answer
    x = 10,201,008.48

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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.