Home / 28,411,743.52-39,208,357.20-15,534,687.52

Finding the Fourth Proportional to 28,411,743.52, 39,208,357.20 and 15,534,687.52

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Solution

The fourth proportional to 28,411,743.52, 39,208,357.20 and 15,534,687.52 is: 21,437,951.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,411,743.52 : 39,208,357.20 = 15,534,687.52 : x
  2. Step 2: Convert to fraction form
    28,411,743.52/39,208,357.20 = 15,534,687.52/x
  3. Step 3: Cross multiply
    28,411,743.52x = 39,208,357.20 × 15,534,687.52
  4. Step 4: Simplify right side
    28,411,743.52x = 609,089,577,274,542.12
  5. Step 5: Solve for x
    x = 609,089,577,274,542.12/28,411,743.52
  6. Step 6: Final answer
    x = 21,437,951.42

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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.