Home / 12,653,411.44-18,981,003-5,080,377.19

Finding the Fourth Proportional to 12,653,411.44, 18,981,003 and 5,080,377.19

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Solution

The fourth proportional to 12,653,411.44, 18,981,003 and 5,080,377.19 is: 7,620,921.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,653,411.44 : 18,981,003 = 5,080,377.19 : x
  2. Step 2: Convert to fraction form
    12,653,411.44/18,981,003 = 5,080,377.19/x
  3. Step 3: Cross multiply
    12,653,411.44x = 18,981,003 × 5,080,377.19
  4. Step 4: Simplify right side
    12,653,411.44x = 96,430,654,684,521.58
  5. Step 5: Solve for x
    x = 96,430,654,684,521.58/12,653,411.44
  6. Step 6: Final answer
    x = 7,620,921.45

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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.