Home / 13,112,968.56-18,095,449.44-7,232,835.84

Finding the Fourth Proportional to 13,112,968.56, 18,095,449.44 and 7,232,835.84

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Solution

The fourth proportional to 13,112,968.56, 18,095,449.44 and 7,232,835.84 is: 9,981,066.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112,968.56 : 18,095,449.44 = 7,232,835.84 : x
  2. Step 2: Convert to fraction form
    13,112,968.56/18,095,449.44 = 7,232,835.84/x
  3. Step 3: Cross multiply
    13,112,968.56x = 18,095,449.44 × 7,232,835.84
  4. Step 4: Simplify right side
    13,112,968.56x = 130,881,415,250,539.94
  5. Step 5: Solve for x
    x = 130,881,415,250,539.94/13,112,968.56
  6. Step 6: Final answer
    x = 9,981,066.81

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Double scale
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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.