Home / 54,322,543.42-81,483,837.18-13,382,778.94

Finding the Fourth Proportional to 54,322,543.42, 81,483,837.18 and 13,382,778.94

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Solution

The fourth proportional to 54,322,543.42, 81,483,837.18 and 13,382,778.94 is: 20,074,173.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,322,543.42 : 81,483,837.18 = 13,382,778.94 : x
  2. Step 2: Convert to fraction form
    54,322,543.42/81,483,837.18 = 13,382,778.94/x
  3. Step 3: Cross multiply
    54,322,543.42x = 81,483,837.18 × 13,382,778.94
  4. Step 4: Simplify right side
    54,322,543.42x = 1,090,480,180,162,893
  5. Step 5: Solve for x
    x = 1,090,480,180,162,893/54,322,543.42
  6. Step 6: Final answer
    x = 20,074,173.84

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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.