Home / 13,355,143.80-20,032,715.70-3,257,764.80

Finding the Fourth Proportional to 13,355,143.80, 20,032,715.70 and 3,257,764.80

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Solution

The fourth proportional to 13,355,143.80, 20,032,715.70 and 3,257,764.80 is: 4,886,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355,143.80 : 20,032,715.70 = 3,257,764.80 : x
  2. Step 2: Convert to fraction form
    13,355,143.80/20,032,715.70 = 3,257,764.80/x
  3. Step 3: Cross multiply
    13,355,143.80x = 20,032,715.70 × 3,257,764.80
  4. Step 4: Simplify right side
    13,355,143.80x = 65,261,876,055,867.35
  5. Step 5: Solve for x
    x = 65,261,876,055,867.35/13,355,143.80
  6. Step 6: Final answer
    x = 4,886,647.20

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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.