Home / 12,164,653.74-16,785,416.43-7,388,309.46

Finding the Fourth Proportional to 12,164,653.74, 16,785,416.43 and 7,388,309.46

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Solution

The fourth proportional to 12,164,653.74, 16,785,416.43 and 7,388,309.46 is: 10,194,770.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,164,653.74 : 16,785,416.43 = 7,388,309.46 : x
  2. Step 2: Convert to fraction form
    12,164,653.74/16,785,416.43 = 7,388,309.46/x
  3. Step 3: Cross multiply
    12,164,653.74x = 16,785,416.43 × 7,388,309.46
  4. Step 4: Simplify right side
    12,164,653.74x = 124,015,850,999,808.42
  5. Step 5: Solve for x
    x = 124,015,850,999,808.42/12,164,653.74
  6. Step 6: Final answer
    x = 10,194,770.33

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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.