Home / 12,028,379.65-18,040,742.63-3,941,176.23

Finding the Fourth Proportional to 12,028,379.65, 18,040,742.63 and 3,941,176.23

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Solution

The fourth proportional to 12,028,379.65, 18,040,742.63 and 3,941,176.23 is: 5,911,165.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028,379.65 : 18,040,742.63 = 3,941,176.23 : x
  2. Step 2: Convert to fraction form
    12,028,379.65/18,040,742.63 = 3,941,176.23/x
  3. Step 3: Cross multiply
    12,028,379.65x = 18,040,742.63 × 3,941,176.23
  4. Step 4: Simplify right side
    12,028,379.65x = 71,101,746,005,197.80
  5. Step 5: Solve for x
    x = 71,101,746,005,197.80/12,028,379.65
  6. Step 6: Final answer
    x = 5,911,165.77

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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.