Home / 28,865,735.64-39,834,597.42-15,812,976.60

Finding the Fourth Proportional to 28,865,735.64, 39,834,597.42 and 15,812,976.60

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Solution

The fourth proportional to 28,865,735.64, 39,834,597.42 and 15,812,976.60 is: 21,821,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,865,735.64 : 39,834,597.42 = 15,812,976.60 : x
  2. Step 2: Convert to fraction form
    28,865,735.64/39,834,597.42 = 15,812,976.60/x
  3. Step 3: Cross multiply
    28,865,735.64x = 39,834,597.42 × 15,812,976.60
  4. Step 4: Simplify right side
    28,865,735.64x = 629,903,556,872,880.38
  5. Step 5: Solve for x
    x = 629,903,556,872,880.38/28,865,735.64
  6. Step 6: Final answer
    x = 21,821,843.20

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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.