Home / 12,078,904.60-18,118,356.90-4,100,728.60

Finding the Fourth Proportional to 12,078,904.60, 18,118,356.90 and 4,100,728.60

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Solution

The fourth proportional to 12,078,904.60, 18,118,356.90 and 4,100,728.60 is: 6,151,092.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,078,904.60 : 18,118,356.90 = 4,100,728.60 : x
  2. Step 2: Convert to fraction form
    12,078,904.60/18,118,356.90 = 4,100,728.60/x
  3. Step 3: Cross multiply
    12,078,904.60x = 18,118,356.90 × 4,100,728.60
  4. Step 4: Simplify right side
    12,078,904.60x = 74,298,464,324,837.33
  5. Step 5: Solve for x
    x = 74,298,464,324,837.33/12,078,904.60
  6. Step 6: Final answer
    x = 6,151,092.90

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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.