Home / 15,550,389.37-21,463,806.11-9,026,120.72

Finding the Fourth Proportional to 15,550,389.37, 21,463,806.11 and 9,026,120.72

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Solution

The fourth proportional to 15,550,389.37, 21,463,806.11 and 9,026,120.72 is: 12,458,524.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550,389.37 : 21,463,806.11 = 9,026,120.72 : x
  2. Step 2: Convert to fraction form
    15,550,389.37/21,463,806.11 = 9,026,120.72/x
  3. Step 3: Cross multiply
    15,550,389.37x = 21,463,806.11 × 9,026,120.72
  4. Step 4: Simplify right side
    15,550,389.37x = 193,734,905,014,403
  5. Step 5: Solve for x
    x = 193,734,905,014,403/15,550,389.37
  6. Step 6: Final answer
    x = 12,458,524.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.