Home / 11,880,313.80-16,394,839.80-6,447,805.80

Finding the Fourth Proportional to 11,880,313.80, 16,394,839.80 and 6,447,805.80

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Solution

The fourth proportional to 11,880,313.80, 16,394,839.80 and 6,447,805.80 is: 8,897,975.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880,313.80 : 16,394,839.80 = 6,447,805.80 : x
  2. Step 2: Convert to fraction form
    11,880,313.80/16,394,839.80 = 6,447,805.80/x
  3. Step 3: Cross multiply
    11,880,313.80x = 16,394,839.80 × 6,447,805.80
  4. Step 4: Simplify right side
    11,880,313.80x = 105,710,743,152,510.84
  5. Step 5: Solve for x
    x = 105,710,743,152,510.84/11,880,313.80
  6. Step 6: Final answer
    x = 8,897,975.67

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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.