Home / 7,111,811.51-9,814,324.67-3,848,625.42

Finding the Fourth Proportional to 7,111,811.51, 9,814,324.67 and 3,848,625.42

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Solution

The fourth proportional to 7,111,811.51, 9,814,324.67 and 3,848,625.42 is: 5,311,116.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111,811.51 : 9,814,324.67 = 3,848,625.42 : x
  2. Step 2: Convert to fraction form
    7,111,811.51/9,814,324.67 = 3,848,625.42/x
  3. Step 3: Cross multiply
    7,111,811.51x = 9,814,324.67 × 3,848,625.42
  4. Step 4: Simplify right side
    7,111,811.51x = 37,771,659,405,095.11
  5. Step 5: Solve for x
    x = 37,771,659,405,095.11/7,111,811.51
  6. Step 6: Final answer
    x = 5,311,116.49

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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.