Home / 12,003,032.77-18,005,322.82-4,220,992.40

Finding the Fourth Proportional to 12,003,032.77, 18,005,322.82 and 4,220,992.40

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Solution

The fourth proportional to 12,003,032.77, 18,005,322.82 and 4,220,992.40 is: 6,331,760.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,003,032.77 : 18,005,322.82 = 4,220,992.40 : x
  2. Step 2: Convert to fraction form
    12,003,032.77/18,005,322.82 = 4,220,992.40/x
  3. Step 3: Cross multiply
    12,003,032.77x = 18,005,322.82 × 4,220,992.40
  4. Step 4: Simplify right side
    12,003,032.77x = 76,000,330,782,766.58
  5. Step 5: Solve for x
    x = 76,000,330,782,766.58/12,003,032.77
  6. Step 6: Final answer
    x = 6,331,760.67

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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.