Home / 12,016,836-18,027,513.90-4,828,939.74

Finding the Fourth Proportional to 12,016,836, 18,027,513.90 and 4,828,939.74

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Solution

The fourth proportional to 12,016,836, 18,027,513.90 and 4,828,939.74 is: 7,244,317.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016,836 : 18,027,513.90 = 4,828,939.74 : x
  2. Step 2: Convert to fraction form
    12,016,836/18,027,513.90 = 4,828,939.74/x
  3. Step 3: Cross multiply
    12,016,836x = 18,027,513.90 × 4,828,939.74
  4. Step 4: Simplify right side
    12,016,836x = 87,053,778,285,112.39
  5. Step 5: Solve for x
    x = 87,053,778,285,112.39/12,016,836
  6. Step 6: Final answer
    x = 7,244,317.75

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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.