Home / 8,438,462.42-11,645,134.04-4,570,983.54

Finding the Fourth Proportional to 8,438,462.42, 11,645,134.04 and 4,570,983.54

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Solution

The fourth proportional to 8,438,462.42, 11,645,134.04 and 4,570,983.54 is: 6,307,987.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438,462.42 : 11,645,134.04 = 4,570,983.54 : x
  2. Step 2: Convert to fraction form
    8,438,462.42/11,645,134.04 = 4,570,983.54/x
  3. Step 3: Cross multiply
    8,438,462.42x = 11,645,134.04 × 4,570,983.54
  4. Step 4: Simplify right side
    8,438,462.42x = 53,229,715,995,078.78
  5. Step 5: Solve for x
    x = 53,229,715,995,078.78/8,438,462.42
  6. Step 6: Final answer
    x = 6,307,987.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.