Home / 11,351,617.73-15,674,158.23-9,139,453.56

Finding the Fourth Proportional to 11,351,617.73, 15,674,158.23 and 9,139,453.56

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Solution

The fourth proportional to 11,351,617.73, 15,674,158.23 and 9,139,453.56 is: 12,619,632.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,351,617.73 : 15,674,158.23 = 9,139,453.56 : x
  2. Step 2: Convert to fraction form
    11,351,617.73/15,674,158.23 = 9,139,453.56/x
  3. Step 3: Cross multiply
    11,351,617.73x = 15,674,158.23 × 9,139,453.56
  4. Step 4: Simplify right side
    11,351,617.73x = 143,253,241,200,903.84
  5. Step 5: Solve for x
    x = 143,253,241,200,903.84/11,351,617.73
  6. Step 6: Final answer
    x = 12,619,632.25

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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.