Home / 28,446,664.76-39,256,396.56-15,393,923.54

Finding the Fourth Proportional to 28,446,664.76, 39,256,396.56 and 15,393,923.54

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Solution

The fourth proportional to 28,446,664.76, 39,256,396.56 and 15,393,923.54 is: 21,243,614.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446,664.76 : 39,256,396.56 = 15,393,923.54 : x
  2. Step 2: Convert to fraction form
    28,446,664.76/39,256,396.56 = 15,393,923.54/x
  3. Step 3: Cross multiply
    28,446,664.76x = 39,256,396.56 × 15,393,923.54
  4. Step 4: Simplify right side
    28,446,664.76x = 604,309,967,100,559
  5. Step 5: Solve for x
    x = 604,309,967,100,559/28,446,664.76
  6. Step 6: Final answer
    x = 21,243,614.05

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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.