Home / 12,215,840.90-18,326,013.96-4,018,944.65

Finding the Fourth Proportional to 12,215,840.90, 18,326,013.96 and 4,018,944.65

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Solution

The fourth proportional to 12,215,840.90, 18,326,013.96 and 4,018,944.65 is: 6,029,158.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,215,840.90 : 18,326,013.96 = 4,018,944.65 : x
  2. Step 2: Convert to fraction form
    12,215,840.90/18,326,013.96 = 4,018,944.65/x
  3. Step 3: Cross multiply
    12,215,840.90x = 18,326,013.96 × 4,018,944.65
  4. Step 4: Simplify right side
    12,215,840.90x = 73,651,235,760,367.31
  5. Step 5: Solve for x
    x = 73,651,235,760,367.31/12,215,840.90
  6. Step 6: Final answer
    x = 6,029,158.07

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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.