Home / 28,685,051.24-39,584,365.27-15,632,043.80

Finding the Fourth Proportional to 28,685,051.24, 39,584,365.27 and 15,632,043.80

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Solution

The fourth proportional to 28,685,051.24, 39,584,365.27 and 15,632,043.80 is: 21,571,672.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,685,051.24 : 39,584,365.27 = 15,632,043.80 : x
  2. Step 2: Convert to fraction form
    28,685,051.24/39,584,365.27 = 15,632,043.80/x
  3. Step 3: Cross multiply
    28,685,051.24x = 39,584,365.27 × 15,632,043.80
  4. Step 4: Simplify right side
    28,685,051.24x = 618,784,531,458,836.88
  5. Step 5: Solve for x
    x = 618,784,531,458,836.88/28,685,051.24
  6. Step 6: Final answer
    x = 21,571,672.52

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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.