Home / 6,720,714.49-10,078,292.47-2,108,162.21

Finding the Fourth Proportional to 6,720,714.49, 10,078,292.47 and 2,108,162.21

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Solution

The fourth proportional to 6,720,714.49, 10,078,292.47 and 2,108,162.21 is: 3,161,371.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720,714.49 : 10,078,292.47 = 2,108,162.21 : x
  2. Step 2: Convert to fraction form
    6,720,714.49/10,078,292.47 = 2,108,162.21/x
  3. Step 3: Cross multiply
    6,720,714.49x = 10,078,292.47 × 2,108,162.21
  4. Step 4: Simplify right side
    6,720,714.49x = 21,246,675,326,581.56
  5. Step 5: Solve for x
    x = 21,246,675,326,581.56/6,720,714.49
  6. Step 6: Final answer
    x = 3,161,371.51

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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.