Home / 28,685,057.25-39,584,373.54-15,632,049.81

Finding the Fourth Proportional to 28,685,057.25, 39,584,373.54 and 15,632,049.81

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Solution

The fourth proportional to 28,685,057.25, 39,584,373.54 and 15,632,049.81 is: 21,571,680.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,685,057.25 : 39,584,373.54 = 15,632,049.81 : x
  2. Step 2: Convert to fraction form
    28,685,057.25/39,584,373.54 = 15,632,049.81/x
  3. Step 3: Cross multiply
    28,685,057.25x = 39,584,373.54 × 15,632,049.81
  4. Step 4: Simplify right side
    28,685,057.25x = 618,784,898,874,926
  5. Step 5: Solve for x
    x = 618,784,898,874,926/28,685,057.25
  6. Step 6: Final answer
    x = 21,571,680.81

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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.