Home / 15,558,058.20-21,738,766.20-15,558,058.20

Finding the Fourth Proportional to 15,558,058.20, 21,738,766.20 and 15,558,058.20

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Solution

The fourth proportional to 15,558,058.20, 21,738,766.20 and 15,558,058.20 is: 21,738,766.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558,058.20 : 21,738,766.20 = 15,558,058.20 : x
  2. Step 2: Convert to fraction form
    15,558,058.20/21,738,766.20 = 15,558,058.20/x
  3. Step 3: Cross multiply
    15,558,058.20x = 21,738,766.20 × 15,558,058.20
  4. Step 4: Simplify right side
    15,558,058.20x = 338,212,989,735,792.81
  5. Step 5: Solve for x
    x = 338,212,989,735,792.81/15,558,058.20
  6. Step 6: Final answer
    x = 21,738,766.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.