Home / 13,263,670.51-18,303,736.12-7,383,211.45

Finding the Fourth Proportional to 13,263,670.51, 18,303,736.12 and 7,383,211.45

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Solution

The fourth proportional to 13,263,670.51, 18,303,736.12 and 7,383,211.45 is: 10,188,759.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263,670.51 : 18,303,736.12 = 7,383,211.45 : x
  2. Step 2: Convert to fraction form
    13,263,670.51/18,303,736.12 = 7,383,211.45/x
  3. Step 3: Cross multiply
    13,263,670.51x = 18,303,736.12 × 7,383,211.45
  4. Step 4: Simplify right side
    13,263,670.51x = 135,140,354,098,962.58
  5. Step 5: Solve for x
    x = 135,140,354,098,962.58/13,263,670.51
  6. Step 6: Final answer
    x = 10,188,759.89

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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.