Home / 18,290,914.79-27,433,701.32-5,333,583.60

Finding the Fourth Proportional to 18,290,914.79, 27,433,701.32 and 5,333,583.60

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Solution

The fourth proportional to 18,290,914.79, 27,433,701.32 and 5,333,583.60 is: 7,999,596.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,290,914.79 : 27,433,701.32 = 5,333,583.60 : x
  2. Step 2: Convert to fraction form
    18,290,914.79/27,433,701.32 = 5,333,583.60/x
  3. Step 3: Cross multiply
    18,290,914.79x = 27,433,701.32 × 5,333,583.60
  4. Step 4: Simplify right side
    18,290,914.79x = 146,319,939,420,982.44
  5. Step 5: Solve for x
    x = 146,319,939,420,982.44/18,290,914.79
  6. Step 6: Final answer
    x = 7,999,596.58

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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.