Home / 23,081,079.68-31,848,770.56-13,159,242.68

Finding the Fourth Proportional to 23,081,079.68, 31,848,770.56 and 13,159,242.68

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Solution

The fourth proportional to 23,081,079.68, 31,848,770.56 and 13,159,242.68 is: 18,157,976.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,081,079.68 : 31,848,770.56 = 13,159,242.68 : x
  2. Step 2: Convert to fraction form
    23,081,079.68/31,848,770.56 = 13,159,242.68/x
  3. Step 3: Cross multiply
    23,081,079.68x = 31,848,770.56 × 13,159,242.68
  4. Step 4: Simplify right side
    23,081,079.68x = 419,105,700,858,679.50
  5. Step 5: Solve for x
    x = 419,105,700,858,679.50/23,081,079.68
  6. Step 6: Final answer
    x = 18,157,976.43

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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.