Home / 12,922,982.46-17,833,716.18-7,121,764.22

Finding the Fourth Proportional to 12,922,982.46, 17,833,716.18 and 7,121,764.22

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Solution

The fourth proportional to 12,922,982.46, 17,833,716.18 and 7,121,764.22 is: 9,828,034.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,922,982.46 : 17,833,716.18 = 7,121,764.22 : x
  2. Step 2: Convert to fraction form
    12,922,982.46/17,833,716.18 = 7,121,764.22/x
  3. Step 3: Cross multiply
    12,922,982.46x = 17,833,716.18 × 7,121,764.22
  4. Step 4: Simplify right side
    12,922,982.46x = 127,007,521,711,190.50
  5. Step 5: Solve for x
    x = 127,007,521,711,190.50/12,922,982.46
  6. Step 6: Final answer
    x = 9,828,034.83

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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.