Home / 28,585,391.97-39,448,090.46-15,532,650.52

Finding the Fourth Proportional to 28,585,391.97, 39,448,090.46 and 15,532,650.52

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Solution

The fourth proportional to 28,585,391.97, 39,448,090.46 and 15,532,650.52 is: 21,435,193.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,585,391.97 : 39,448,090.46 = 15,532,650.52 : x
  2. Step 2: Convert to fraction form
    28,585,391.97/39,448,090.46 = 15,532,650.52/x
  3. Step 3: Cross multiply
    28,585,391.97x = 39,448,090.46 × 15,532,650.52
  4. Step 4: Simplify right side
    28,585,391.97x = 612,733,402,736,737.38
  5. Step 5: Solve for x
    x = 612,733,402,736,737.38/28,585,391.97
  6. Step 6: Final answer
    x = 21,435,193.31

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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.