Home / 19,929,843.56-29,894,765.75-4,783,775.06

Finding the Fourth Proportional to 19,929,843.56, 29,894,765.75 and 4,783,775.06

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Solution

The fourth proportional to 19,929,843.56, 29,894,765.75 and 4,783,775.06 is: 7,175,662.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929,843.56 : 29,894,765.75 = 4,783,775.06 : x
  2. Step 2: Convert to fraction form
    19,929,843.56/29,894,765.75 = 4,783,775.06/x
  3. Step 3: Cross multiply
    19,929,843.56x = 29,894,765.75 × 4,783,775.06
  4. Step 4: Simplify right side
    19,929,843.56x = 143,009,834,795,473.31
  5. Step 5: Solve for x
    x = 143,009,834,795,473.31/19,929,843.56
  6. Step 6: Final answer
    x = 7,175,662.69

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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.