Home / 28,685,706.06-39,585,119.46-15,632,684.73

Finding the Fourth Proportional to 28,685,706.06, 39,585,119.46 and 15,632,684.73

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Solution

The fourth proportional to 28,685,706.06, 39,585,119.46 and 15,632,684.73 is: 21,572,475.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,685,706.06 : 39,585,119.46 = 15,632,684.73 : x
  2. Step 2: Convert to fraction form
    28,685,706.06/39,585,119.46 = 15,632,684.73/x
  3. Step 3: Cross multiply
    28,685,706.06x = 39,585,119.46 × 15,632,684.73
  4. Step 4: Simplify right side
    28,685,706.06x = 618,821,692,517,567.88
  5. Step 5: Solve for x
    x = 618,821,692,517,567.88/28,685,706.06
  6. Step 6: Final answer
    x = 21,572,475.55

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1.5x scale

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.