Home / 28,089,035.70-42,133,553.55-21,711,743.70

Finding the Fourth Proportional to 28,089,035.70, 42,133,553.55 and 21,711,743.70

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Solution

The fourth proportional to 28,089,035.70, 42,133,553.55 and 21,711,743.70 is: 32,567,615.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,089,035.70 : 42,133,553.55 = 21,711,743.70 : x
  2. Step 2: Convert to fraction form
    28,089,035.70/42,133,553.55 = 21,711,743.70/x
  3. Step 3: Cross multiply
    28,089,035.70x = 42,133,553.55 × 21,711,743.70
  4. Step 4: Simplify right side
    28,089,035.70x = 914,792,915,847,825
  5. Step 5: Solve for x
    x = 914,792,915,847,825/28,089,035.70
  6. Step 6: Final answer
    x = 32,567,615.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.