Home / 28,585,426.68-39,448,138.59-15,532,685.33

Finding the Fourth Proportional to 28,585,426.68, 39,448,138.59 and 15,532,685.33

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Solution

The fourth proportional to 28,585,426.68, 39,448,138.59 and 15,532,685.33 is: 21,435,241.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,585,426.68 : 39,448,138.59 = 15,532,685.33 : x
  2. Step 2: Convert to fraction form
    28,585,426.68/39,448,138.59 = 15,532,685.33/x
  3. Step 3: Cross multiply
    28,585,426.68x = 39,448,138.59 × 15,532,685.33
  4. Step 4: Simplify right side
    28,585,426.68x = 612,735,523,297,795.75
  5. Step 5: Solve for x
    x = 612,735,523,297,795.75/28,585,426.68
  6. Step 6: Final answer
    x = 21,435,241.47

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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.