Home / 28,924,654.29-39,915,913.42-15,872,131.63

Finding the Fourth Proportional to 28,924,654.29, 39,915,913.42 and 15,872,131.63

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Solution

The fourth proportional to 28,924,654.29, 39,915,913.42 and 15,872,131.63 is: 21,903,481.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,924,654.29 : 39,915,913.42 = 15,872,131.63 : x
  2. Step 2: Convert to fraction form
    28,924,654.29/39,915,913.42 = 15,872,131.63/x
  3. Step 3: Cross multiply
    28,924,654.29x = 39,915,913.42 × 15,872,131.63
  4. Step 4: Simplify right side
    28,924,654.29x = 633,550,631,933,923.50
  5. Step 5: Solve for x
    x = 633,550,631,933,923.50/28,924,654.29
  6. Step 6: Final answer
    x = 21,903,481.56

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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.