Home / 12,004,513.88-18,009,635.16-3,917,504.60

Finding the Fourth Proportional to 12,004,513.88, 18,009,635.16 and 3,917,504.60

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Solution

The fourth proportional to 12,004,513.88, 18,009,635.16 and 3,917,504.60 is: 5,877,191.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,004,513.88 : 18,009,635.16 = 3,917,504.60 : x
  2. Step 2: Convert to fraction form
    12,004,513.88/18,009,635.16 = 3,917,504.60/x
  3. Step 3: Cross multiply
    12,004,513.88x = 18,009,635.16 × 3,917,504.60
  4. Step 4: Simplify right side
    12,004,513.88x = 70,552,828,583,621.73
  5. Step 5: Solve for x
    x = 70,552,828,583,621.73/12,004,513.88
  6. Step 6: Final answer
    x = 5,877,191.64

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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.