Home / 21,054,976.93-31,585,481.03-6,483,132.01

Finding the Fourth Proportional to 21,054,976.93, 31,585,481.03 and 6,483,132.01

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Solution

The fourth proportional to 21,054,976.93, 31,585,481.03 and 6,483,132.01 is: 9,725,626.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,054,976.93 : 31,585,481.03 = 6,483,132.01 : x
  2. Step 2: Convert to fraction form
    21,054,976.93/31,585,481.03 = 6,483,132.01/x
  3. Step 3: Cross multiply
    21,054,976.93x = 31,585,481.03 × 6,483,132.01
  4. Step 4: Simplify right side
    21,054,976.93x = 204,772,843,116,840.78
  5. Step 5: Solve for x
    x = 204,772,843,116,840.78/21,054,976.93
  6. Step 6: Final answer
    x = 9,725,626.57

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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.