Home / 18,968,949.54-28,453,444.83-8,878,656.42

Finding the Fourth Proportional to 18,968,949.54, 28,453,444.83 and 8,878,656.42

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Solution

The fourth proportional to 18,968,949.54, 28,453,444.83 and 8,878,656.42 is: 13,317,994.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,968,949.54 : 28,453,444.83 = 8,878,656.42 : x
  2. Step 2: Convert to fraction form
    18,968,949.54/28,453,444.83 = 8,878,656.42/x
  3. Step 3: Cross multiply
    18,968,949.54x = 28,453,444.83 × 8,878,656.42
  4. Step 4: Simplify right side
    18,968,949.54x = 252,628,360,610,995.28
  5. Step 5: Solve for x
    x = 252,628,360,610,995.28/18,968,949.54
  6. Step 6: Final answer
    x = 13,317,994.23

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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.