Home / 21,397,647.68-29,528,738.74-11,608,093.72

Finding the Fourth Proportional to 21,397,647.68, 29,528,738.74 and 11,608,093.72

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Solution

The fourth proportional to 21,397,647.68, 29,528,738.74 and 11,608,093.72 is: 16,019,161.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,397,647.68 : 29,528,738.74 = 11,608,093.72 : x
  2. Step 2: Convert to fraction form
    21,397,647.68/29,528,738.74 = 11,608,093.72/x
  3. Step 3: Cross multiply
    21,397,647.68x = 29,528,738.74 × 11,608,093.72
  4. Step 4: Simplify right side
    21,397,647.68x = 342,772,366,727,314.69
  5. Step 5: Solve for x
    x = 342,772,366,727,314.69/21,397,647.68
  6. Step 6: Final answer
    x = 16,019,161.16

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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.