Home / 18,269,278.46-25,211,603.57-10,009,653.69

Finding the Fourth Proportional to 18,269,278.46, 25,211,603.57 and 10,009,653.69

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Solution

The fourth proportional to 18,269,278.46, 25,211,603.57 and 10,009,653.69 is: 13,813,321.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269,278.46 : 25,211,603.57 = 10,009,653.69 : x
  2. Step 2: Convert to fraction form
    18,269,278.46/25,211,603.57 = 10,009,653.69/x
  3. Step 3: Cross multiply
    18,269,278.46x = 25,211,603.57 × 10,009,653.69
  4. Step 4: Simplify right side
    18,269,278.46x = 252,359,420,705,267.66
  5. Step 5: Solve for x
    x = 252,359,420,705,267.66/18,269,278.46
  6. Step 6: Final answer
    x = 13,813,321.71

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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.