Home / 18,902,497.40-28,335,083.70-9,310,023.80

Finding the Fourth Proportional to 18,902,497.40, 28,335,083.70 and 9,310,023.80

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Solution

The fourth proportional to 18,902,497.40, 28,335,083.70 and 9,310,023.80 is: 13,955,843.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,902,497.40 : 28,335,083.70 = 9,310,023.80 : x
  2. Step 2: Convert to fraction form
    18,902,497.40/28,335,083.70 = 9,310,023.80/x
  3. Step 3: Cross multiply
    18,902,497.40x = 28,335,083.70 × 9,310,023.80
  4. Step 4: Simplify right side
    18,902,497.40x = 263,800,303,621,992.06
  5. Step 5: Solve for x
    x = 263,800,303,621,992.06/18,902,497.40
  6. Step 6: Final answer
    x = 13,955,843.93

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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.