Home / 13,761,941.80-20,642,912.70-9,226,978.60

Finding the Fourth Proportional to 13,761,941.80, 20,642,912.70 and 9,226,978.60

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Solution

The fourth proportional to 13,761,941.80, 20,642,912.70 and 9,226,978.60 is: 13,840,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761,941.80 : 20,642,912.70 = 9,226,978.60 : x
  2. Step 2: Convert to fraction form
    13,761,941.80/20,642,912.70 = 9,226,978.60/x
  3. Step 3: Cross multiply
    13,761,941.80x = 20,642,912.70 × 9,226,978.60
  4. Step 4: Simplify right side
    13,761,941.80x = 190,471,713,724,568.22
  5. Step 5: Solve for x
    x = 190,471,713,724,568.22/13,761,941.80
  6. Step 6: Final answer
    x = 13,840,467.90

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1.5x scale

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.