Home / 15,863,043.42-23,794,647.24-7,221,100.20

Finding the Fourth Proportional to 15,863,043.42, 23,794,647.24 and 7,221,100.20

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Solution

The fourth proportional to 15,863,043.42, 23,794,647.24 and 7,221,100.20 is: 10,831,687.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,863,043.42 : 23,794,647.24 = 7,221,100.20 : x
  2. Step 2: Convert to fraction form
    15,863,043.42/23,794,647.24 = 7,221,100.20/x
  3. Step 3: Cross multiply
    15,863,043.42x = 23,794,647.24 × 7,221,100.20
  4. Step 4: Simplify right side
    15,863,043.42x = 171,823,531,943,693.44
  5. Step 5: Solve for x
    x = 171,823,531,943,693.44/15,863,043.42
  6. Step 6: Final answer
    x = 10,831,687.68

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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.