Home / 18,455,554.56-25,464,971.52-10,305,538.56

Finding the Fourth Proportional to 18,455,554.56, 25,464,971.52 and 10,305,538.56

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Solution

The fourth proportional to 18,455,554.56, 25,464,971.52 and 10,305,538.56 is: 14,219,580.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455,554.56 : 25,464,971.52 = 10,305,538.56 : x
  2. Step 2: Convert to fraction form
    18,455,554.56/25,464,971.52 = 10,305,538.56/x
  3. Step 3: Cross multiply
    18,455,554.56x = 25,464,971.52 × 10,305,538.56
  4. Step 4: Simplify right side
    18,455,554.56x = 262,430,245,928,661.81
  5. Step 5: Solve for x
    x = 262,430,245,928,661.81/18,455,554.56
  6. Step 6: Final answer
    x = 14,219,580.62

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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.