Home / 14,946,739.38-20,626,563.33-8,420,447.07

Finding the Fourth Proportional to 14,946,739.38, 20,626,563.33 and 8,420,447.07

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Solution

The fourth proportional to 14,946,739.38, 20,626,563.33 and 8,420,447.07 is: 11,620,252.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,946,739.38 : 20,626,563.33 = 8,420,447.07 : x
  2. Step 2: Convert to fraction form
    14,946,739.38/20,626,563.33 = 8,420,447.07/x
  3. Step 3: Cross multiply
    14,946,739.38x = 20,626,563.33 × 8,420,447.07
  4. Step 4: Simplify right side
    14,946,739.38x = 173,684,884,756,267.94
  5. Step 5: Solve for x
    x = 173,684,884,756,267.94/14,946,739.38
  6. Step 6: Final answer
    x = 11,620,252.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.