Home / 13,621,292.80-20,431,865.40-5,839,061.08

Finding the Fourth Proportional to 13,621,292.80, 20,431,865.40 and 5,839,061.08

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Solution

The fourth proportional to 13,621,292.80, 20,431,865.40 and 5,839,061.08 is: 8,758,559.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,621,292.80 : 20,431,865.40 = 5,839,061.08 : x
  2. Step 2: Convert to fraction form
    13,621,292.80/20,431,865.40 = 5,839,061.08/x
  3. Step 3: Cross multiply
    13,621,292.80x = 20,431,865.40 × 5,839,061.08
  4. Step 4: Simplify right side
    13,621,292.80x = 119,302,910,048,938.62
  5. Step 5: Solve for x
    x = 119,302,910,048,938.62/13,621,292.80
  6. Step 6: Final answer
    x = 8,758,559.98

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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.