Home / 21,055,042.18-31,585,578.90-6,483,197.26

Finding the Fourth Proportional to 21,055,042.18, 31,585,578.90 and 6,483,197.26

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Solution

The fourth proportional to 21,055,042.18, 31,585,578.90 and 6,483,197.26 is: 9,725,724.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,055,042.18 : 31,585,578.90 = 6,483,197.26 : x
  2. Step 2: Convert to fraction form
    21,055,042.18/31,585,578.90 = 6,483,197.26/x
  3. Step 3: Cross multiply
    21,055,042.18x = 31,585,578.90 × 6,483,197.26
  4. Step 4: Simplify right side
    21,055,042.18x = 204,775,538,579,993.81
  5. Step 5: Solve for x
    x = 204,775,538,579,993.81/21,055,042.18
  6. Step 6: Final answer
    x = 9,725,724.45

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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.