Home / 18,213,313.96-25,134,880.26-10,065,076.84

Finding the Fourth Proportional to 18,213,313.96, 25,134,880.26 and 10,065,076.84

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Solution

The fourth proportional to 18,213,313.96, 25,134,880.26 and 10,065,076.84 is: 13,890,086.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213,313.96 : 25,134,880.26 = 10,065,076.84 : x
  2. Step 2: Convert to fraction form
    18,213,313.96/25,134,880.26 = 10,065,076.84/x
  3. Step 3: Cross multiply
    18,213,313.96x = 25,134,880.26 × 10,065,076.84
  4. Step 4: Simplify right side
    18,213,313.96x = 252,984,501,181,099.19
  5. Step 5: Solve for x
    x = 252,984,501,181,099.19/18,213,313.96
  6. Step 6: Final answer
    x = 13,890,086.22

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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.