Home / 21,912,783.27-30,240,281.66-11,990,261.67

Finding the Fourth Proportional to 21,912,783.27, 30,240,281.66 and 11,990,261.67

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Solution

The fourth proportional to 21,912,783.27, 30,240,281.66 and 11,990,261.67 is: 16,546,911.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,912,783.27 : 30,240,281.66 = 11,990,261.67 : x
  2. Step 2: Convert to fraction form
    21,912,783.27/30,240,281.66 = 11,990,261.67/x
  3. Step 3: Cross multiply
    21,912,783.27x = 30,240,281.66 × 11,990,261.67
  4. Step 4: Simplify right side
    21,912,783.27x = 362,588,890,017,950.69
  5. Step 5: Solve for x
    x = 362,588,890,017,950.69/21,912,783.27
  6. Step 6: Final answer
    x = 16,546,911.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.