Home / 20,778,106,195.38-28,673,018,355.06-11,262,453,634.44

Finding the Fourth Proportional to 20,778,106,195.38, 28,673,018,355.06 and 11,262,453,634.44

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Solution

The fourth proportional to 20,778,106,195.38, 28,673,018,355.06 and 11,262,453,634.44 is: 15,541,769,627.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,778,106,195.38 : 28,673,018,355.06 = 11,262,453,634.44 : x
  2. Step 2: Convert to fraction form
    20,778,106,195.38/28,673,018,355.06 = 11,262,453,634.44/x
  3. Step 3: Cross multiply
    20,778,106,195.38x = 28,673,018,355.06 × 11,262,453,634.44
  4. Step 4: Simplify right side
    20,778,106,195.38x = 322,928,539,783,310,344,192
  5. Step 5: Solve for x
    x = 322,928,539,783,310,344,192/20,778,106,195.38
  6. Step 6: Final answer
    x = 15,541,769,627.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.