Home / 12,665,566.80-18,992,362.68-4,576,971.60

Finding the Fourth Proportional to 12,665,566.80, 18,992,362.68 and 4,576,971.60

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Solution

The fourth proportional to 12,665,566.80, 18,992,362.68 and 4,576,971.60 is: 6,863,293.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,665,566.80 : 18,992,362.68 = 4,576,971.60 : x
  2. Step 2: Convert to fraction form
    12,665,566.80/18,992,362.68 = 4,576,971.60/x
  3. Step 3: Cross multiply
    12,665,566.80x = 18,992,362.68 × 4,576,971.60
  4. Step 4: Simplify right side
    12,665,566.80x = 86,927,504,603,259.88
  5. Step 5: Solve for x
    x = 86,927,504,603,259.88/12,665,566.80
  6. Step 6: Final answer
    x = 6,863,293.68

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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.