Home / 8,422,945.40-12,635,303.94-2,743,612.58

Finding the Fourth Proportional to 8,422,945.40, 12,635,303.94 and 2,743,612.58

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Solution

The fourth proportional to 8,422,945.40, 12,635,303.94 and 2,743,612.58 is: 4,115,707.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422,945.40 : 12,635,303.94 = 2,743,612.58 : x
  2. Step 2: Convert to fraction form
    8,422,945.40/12,635,303.94 = 2,743,612.58/x
  3. Step 3: Cross multiply
    8,422,945.40x = 12,635,303.94 × 2,743,612.58
  4. Step 4: Simplify right side
    8,422,945.40x = 34,666,378,873,495.82
  5. Step 5: Solve for x
    x = 34,666,378,873,495.82/8,422,945.40
  6. Step 6: Final answer
    x = 4,115,707.42

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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.