Home / 18,100,838.40-27,151,913.70-5,322,634.80

Finding the Fourth Proportional to 18,100,838.40, 27,151,913.70 and 5,322,634.80

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Solution

The fourth proportional to 18,100,838.40, 27,151,913.70 and 5,322,634.80 is: 7,984,145.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100,838.40 : 27,151,913.70 = 5,322,634.80 : x
  2. Step 2: Convert to fraction form
    18,100,838.40/27,151,913.70 = 5,322,634.80/x
  3. Step 3: Cross multiply
    18,100,838.40x = 27,151,913.70 × 5,322,634.80
  4. Step 4: Simplify right side
    18,100,838.40x = 144,519,720,746,216.75
  5. Step 5: Solve for x
    x = 144,519,720,746,216.75/18,100,838.40
  6. Step 6: Final answer
    x = 7,984,145.13

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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.