Home / 12,122,944-18,187,412.19-3,603,244.93

Finding the Fourth Proportional to 12,122,944, 18,187,412.19 and 3,603,244.93

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Solution

The fourth proportional to 12,122,944, 18,187,412.19 and 3,603,244.93 is: 5,405,757.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,122,944 : 18,187,412.19 = 3,603,244.93 : x
  2. Step 2: Convert to fraction form
    12,122,944/18,187,412.19 = 3,603,244.93/x
  3. Step 3: Cross multiply
    12,122,944x = 18,187,412.19 × 3,603,244.93
  4. Step 4: Simplify right side
    12,122,944x = 65,533,700,763,437.70
  5. Step 5: Solve for x
    x = 65,533,700,763,437.70/12,122,944
  6. Step 6: Final answer
    x = 5,405,757.94

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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.