Home / 12,188,315.16-16,821,077.76-6,962,104.26

Finding the Fourth Proportional to 12,188,315.16, 16,821,077.76 and 6,962,104.26

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Solution

The fourth proportional to 12,188,315.16, 16,821,077.76 and 6,962,104.26 is: 9,608,390.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,188,315.16 : 16,821,077.76 = 6,962,104.26 : x
  2. Step 2: Convert to fraction form
    12,188,315.16/16,821,077.76 = 6,962,104.26/x
  3. Step 3: Cross multiply
    12,188,315.16x = 16,821,077.76 × 6,962,104.26
  4. Step 4: Simplify right side
    12,188,315.16x = 117,110,097,130,687.27
  5. Step 5: Solve for x
    x = 117,110,097,130,687.27/12,188,315.16
  6. Step 6: Final answer
    x = 9,608,390.95

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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.