Home / 13,882,563.20-20,826,955.20-5,362,140.80

Finding the Fourth Proportional to 13,882,563.20, 20,826,955.20 and 5,362,140.80

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Solution

The fourth proportional to 13,882,563.20, 20,826,955.20 and 5,362,140.80 is: 8,044,412.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,882,563.20 : 20,826,955.20 = 5,362,140.80 : x
  2. Step 2: Convert to fraction form
    13,882,563.20/20,826,955.20 = 5,362,140.80/x
  3. Step 3: Cross multiply
    13,882,563.20x = 20,826,955.20 × 5,362,140.80
  4. Step 4: Simplify right side
    13,882,563.20x = 111,677,066,217,692.16
  5. Step 5: Solve for x
    x = 111,677,066,217,692.16/13,882,563.20
  6. Step 6: Final answer
    x = 8,044,412.59

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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.