Home / 18,290,907.79-27,433,690.80-5,333,576.60

Finding the Fourth Proportional to 18,290,907.79, 27,433,690.80 and 5,333,576.60

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Solution

The fourth proportional to 18,290,907.79, 27,433,690.80 and 5,333,576.60 is: 7,999,586.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,290,907.79 : 27,433,690.80 = 5,333,576.60 : x
  2. Step 2: Convert to fraction form
    18,290,907.79/27,433,690.80 = 5,333,576.60/x
  3. Step 3: Cross multiply
    18,290,907.79x = 27,433,690.80 × 5,333,576.60
  4. Step 4: Simplify right side
    18,290,907.79x = 146,319,691,302,515.28
  5. Step 5: Solve for x
    x = 146,319,691,302,515.28/18,290,907.79
  6. Step 6: Final answer
    x = 7,999,586.08

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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.