Home / 12,071,369.41-16,655,573.86-7,659,486.43

Finding the Fourth Proportional to 12,071,369.41, 16,655,573.86 and 7,659,486.43

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Solution

The fourth proportional to 12,071,369.41, 16,655,573.86 and 7,659,486.43 is: 10,568,241.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071,369.41 : 16,655,573.86 = 7,659,486.43 : x
  2. Step 2: Convert to fraction form
    12,071,369.41/16,655,573.86 = 7,659,486.43/x
  3. Step 3: Cross multiply
    12,071,369.41x = 16,655,573.86 × 7,659,486.43
  4. Step 4: Simplify right side
    12,071,369.41x = 127,573,141,964,532.70
  5. Step 5: Solve for x
    x = 127,573,141,964,532.70/12,071,369.41
  6. Step 6: Final answer
    x = 10,568,241.07

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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.