Home / 13,412,626.63-18,511,840.32-7,905,680.03

Finding the Fourth Proportional to 13,412,626.63, 18,511,840.32 and 7,905,680.03

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Solution

The fourth proportional to 13,412,626.63, 18,511,840.32 and 7,905,680.03 is: 10,911,262.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412,626.63 : 18,511,840.32 = 7,905,680.03 : x
  2. Step 2: Convert to fraction form
    13,412,626.63/18,511,840.32 = 7,905,680.03/x
  3. Step 3: Cross multiply
    13,412,626.63x = 18,511,840.32 × 7,905,680.03
  4. Step 4: Simplify right side
    13,412,626.63x = 146,348,686,336,372.81
  5. Step 5: Solve for x
    x = 146,348,686,336,372.81/13,412,626.63
  6. Step 6: Final answer
    x = 10,911,262.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.