Home / 12,455,682.60-18,683,523.90-6,078,390.60

Finding the Fourth Proportional to 12,455,682.60, 18,683,523.90 and 6,078,390.60

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Solution

The fourth proportional to 12,455,682.60, 18,683,523.90 and 6,078,390.60 is: 9,117,585.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,682.60 : 18,683,523.90 = 6,078,390.60 : x
  2. Step 2: Convert to fraction form
    12,455,682.60/18,683,523.90 = 6,078,390.60/x
  3. Step 3: Cross multiply
    12,455,682.60x = 18,683,523.90 × 6,078,390.60
  4. Step 4: Simplify right side
    12,455,682.60x = 113,565,756,048,635.33
  5. Step 5: Solve for x
    x = 113,565,756,048,635.33/12,455,682.60
  6. Step 6: Final answer
    x = 9,117,585.90

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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.