Home / 12,532,485.44-18,794,901.24-8,666,791.40

Finding the Fourth Proportional to 12,532,485.44, 18,794,901.24 and 8,666,791.40

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Solution

The fourth proportional to 12,532,485.44, 18,794,901.24 and 8,666,791.40 is: 12,997,540.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,532,485.44 : 18,794,901.24 = 8,666,791.40 : x
  2. Step 2: Convert to fraction form
    12,532,485.44/18,794,901.24 = 8,666,791.40/x
  3. Step 3: Cross multiply
    12,532,485.44x = 18,794,901.24 × 8,666,791.40
  4. Step 4: Simplify right side
    12,532,485.44x = 162,891,488,430,681.34
  5. Step 5: Solve for x
    x = 162,891,488,430,681.34/12,532,485.44
  6. Step 6: Final answer
    x = 12,997,540.61

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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.