Home / 16,065,131.07-22,169,907.11-8,722,978.41

Finding the Fourth Proportional to 16,065,131.07, 22,169,907.11 and 8,722,978.41

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Solution

The fourth proportional to 16,065,131.07, 22,169,907.11 and 8,722,978.41 is: 12,037,724.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,065,131.07 : 22,169,907.11 = 8,722,978.41 : x
  2. Step 2: Convert to fraction form
    16,065,131.07/22,169,907.11 = 8,722,978.41/x
  3. Step 3: Cross multiply
    16,065,131.07x = 22,169,907.11 × 8,722,978.41
  4. Step 4: Simplify right side
    16,065,131.07x = 193,387,620,961,385.94
  5. Step 5: Solve for x
    x = 193,387,620,961,385.94/16,065,131.07
  6. Step 6: Final answer
    x = 12,037,724.45

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1.5x scale

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.