Home / 12,995,769.60-19,493,654.40-3,412,116.90

Finding the Fourth Proportional to 12,995,769.60, 19,493,654.40 and 3,412,116.90

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Solution

The fourth proportional to 12,995,769.60, 19,493,654.40 and 3,412,116.90 is: 5,118,175.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,995,769.60 : 19,493,654.40 = 3,412,116.90 : x
  2. Step 2: Convert to fraction form
    12,995,769.60/19,493,654.40 = 3,412,116.90/x
  3. Step 3: Cross multiply
    12,995,769.60x = 19,493,654.40 × 3,412,116.90
  4. Step 4: Simplify right side
    12,995,769.60x = 66,514,627,620,999.35
  5. Step 5: Solve for x
    x = 66,514,627,620,999.35/12,995,769.60
  6. Step 6: Final answer
    x = 5,118,175.35

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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.