Home / 18,678,232.55-25,774,850.84-10,837,137.42

Finding the Fourth Proportional to 18,678,232.55, 25,774,850.84 and 10,837,137.42

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Solution

The fourth proportional to 18,678,232.55, 25,774,850.84 and 10,837,137.42 is: 14,954,605.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,678,232.55 : 25,774,850.84 = 10,837,137.42 : x
  2. Step 2: Convert to fraction form
    18,678,232.55/25,774,850.84 = 10,837,137.42/x
  3. Step 3: Cross multiply
    18,678,232.55x = 25,774,850.84 × 10,837,137.42
  4. Step 4: Simplify right side
    18,678,232.55x = 279,325,600,478,896.75
  5. Step 5: Solve for x
    x = 279,325,600,478,896.75/18,678,232.55
  6. Step 6: Final answer
    x = 14,954,605.57

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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.