Home / 28,685,023.20-39,584,327.04-15,632,015.04

Finding the Fourth Proportional to 28,685,023.20, 39,584,327.04 and 15,632,015.04

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Solution

The fourth proportional to 28,685,023.20, 39,584,327.04 and 15,632,015.04 is: 21,571,633.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,685,023.20 : 39,584,327.04 = 15,632,015.04 : x
  2. Step 2: Convert to fraction form
    28,685,023.20/39,584,327.04 = 15,632,015.04/x
  3. Step 3: Cross multiply
    28,685,023.20x = 39,584,327.04 × 15,632,015.04
  4. Step 4: Simplify right side
    28,685,023.20x = 618,782,795,637,558.62
  5. Step 5: Solve for x
    x = 618,782,795,637,558.62/28,685,023.20
  6. Step 6: Final answer
    x = 21,571,633.09

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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.