Home / 12,056,618.40-18,081,320.40-3,968,100.96

Finding the Fourth Proportional to 12,056,618.40, 18,081,320.40 and 3,968,100.96

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Solution

The fourth proportional to 12,056,618.40, 18,081,320.40 and 3,968,100.96 is: 5,950,964.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,056,618.40 : 18,081,320.40 = 3,968,100.96 : x
  2. Step 2: Convert to fraction form
    12,056,618.40/18,081,320.40 = 3,968,100.96/x
  3. Step 3: Cross multiply
    12,056,618.40x = 18,081,320.40 × 3,968,100.96
  4. Step 4: Simplify right side
    12,056,618.40x = 71,748,504,837,307.58
  5. Step 5: Solve for x
    x = 71,748,504,837,307.58/12,056,618.40
  6. Step 6: Final answer
    x = 5,950,964.23

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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.