Home / 12,120,814.32-18,184,267-3,484,930.80

Finding the Fourth Proportional to 12,120,814.32, 18,184,267 and 3,484,930.80

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Solution

The fourth proportional to 12,120,814.32, 18,184,267 and 3,484,930.80 is: 5,228,271.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,120,814.32 : 18,184,267 = 3,484,930.80 : x
  2. Step 2: Convert to fraction form
    12,120,814.32/18,184,267 = 3,484,930.80/x
  3. Step 3: Cross multiply
    12,120,814.32x = 18,184,267 × 3,484,930.80
  4. Step 4: Simplify right side
    12,120,814.32x = 63,370,912,143,723.59
  5. Step 5: Solve for x
    x = 63,370,912,143,723.59/12,120,814.32
  6. Step 6: Final answer
    x = 5,228,271.84

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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.