Home / 12,215,835.28-18,326,005.52-4,018,939.03

Finding the Fourth Proportional to 12,215,835.28, 18,326,005.52 and 4,018,939.03

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Solution

The fourth proportional to 12,215,835.28, 18,326,005.52 and 4,018,939.03 is: 6,029,149.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,215,835.28 : 18,326,005.52 = 4,018,939.03 : x
  2. Step 2: Convert to fraction form
    12,215,835.28/18,326,005.52 = 4,018,939.03/x
  3. Step 3: Cross multiply
    12,215,835.28x = 18,326,005.52 × 4,018,939.03
  4. Step 4: Simplify right side
    12,215,835.28x = 73,651,098,848,323.44
  5. Step 5: Solve for x
    x = 73,651,098,848,323.44/12,215,835.28
  6. Step 6: Final answer
    x = 6,029,149.64

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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.