Home / 30,270,727.56-45,366,662.22-12,298,821

Finding the Fourth Proportional to 30,270,727.56, 45,366,662.22 and 12,298,821

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Solution

The fourth proportional to 30,270,727.56, 45,366,662.22 and 12,298,821 is: 18,432,211.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,270,727.56 : 45,366,662.22 = 12,298,821 : x
  2. Step 2: Convert to fraction form
    30,270,727.56/45,366,662.22 = 12,298,821/x
  3. Step 3: Cross multiply
    30,270,727.56x = 45,366,662.22 × 12,298,821
  4. Step 4: Simplify right side
    30,270,727.56x = 557,956,458,011,242.62
  5. Step 5: Solve for x
    x = 557,956,458,011,242.62/30,270,727.56
  6. Step 6: Final answer
    x = 18,432,211.68

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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.