Home / 12,535,168.80-18,803,367.60-6,563,200.80

Finding the Fourth Proportional to 12,535,168.80, 18,803,367.60 and 6,563,200.80

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Solution

The fourth proportional to 12,535,168.80, 18,803,367.60 and 6,563,200.80 is: 9,845,122.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535,168.80 : 18,803,367.60 = 6,563,200.80 : x
  2. Step 2: Convert to fraction form
    12,535,168.80/18,803,367.60 = 6,563,200.80/x
  3. Step 3: Cross multiply
    12,535,168.80x = 18,803,367.60 × 6,563,200.80
  4. Step 4: Simplify right side
    12,535,168.80x = 123,410,277,275,014.09
  5. Step 5: Solve for x
    x = 123,410,277,275,014.09/12,535,168.80
  6. Step 6: Final answer
    x = 9,845,122.89

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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.