Home / 18,902,493.90-28,335,078.45-9,310,020.30

Finding the Fourth Proportional to 18,902,493.90, 28,335,078.45 and 9,310,020.30

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Solution

The fourth proportional to 18,902,493.90, 28,335,078.45 and 9,310,020.30 is: 13,955,838.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,902,493.90 : 28,335,078.45 = 9,310,020.30 : x
  2. Step 2: Convert to fraction form
    18,902,493.90/28,335,078.45 = 9,310,020.30/x
  3. Step 3: Cross multiply
    18,902,493.90x = 28,335,078.45 × 9,310,020.30
  4. Step 4: Simplify right side
    18,902,493.90x = 263,800,155,571,592.56
  5. Step 5: Solve for x
    x = 263,800,155,571,592.56/18,902,493.90
  6. Step 6: Final answer
    x = 13,955,838.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.