Home / 11,819,795.20-17,729,692.80-11,745,145.60

Finding the Fourth Proportional to 11,819,795.20, 17,729,692.80 and 11,745,145.60

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Solution

The fourth proportional to 11,819,795.20, 17,729,692.80 and 11,745,145.60 is: 17,617,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819,795.20 : 17,729,692.80 = 11,745,145.60 : x
  2. Step 2: Convert to fraction form
    11,819,795.20/17,729,692.80 = 11,745,145.60/x
  3. Step 3: Cross multiply
    11,819,795.20x = 17,729,692.80 × 11,745,145.60
  4. Step 4: Simplify right side
    11,819,795.20x = 208,237,823,379,271.69
  5. Step 5: Solve for x
    x = 208,237,823,379,271.69/11,819,795.20
  6. Step 6: Final answer
    x = 17,617,718.40

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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.