Finding the Fourth Proportional to 7,725,209.94, 11,588,257.74 and 2,045,286.66
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Solution
The fourth proportional to 7,725,209.94, 11,588,257.74 and 2,045,286.66 is: 3,068,047.23
Step by Step Solution
- Step 1: Write the proportion equation
7,725,209.94 : 11,588,257.74 = 2,045,286.66 : x - Step 2: Convert to fraction form
7,725,209.94/11,588,257.74 = 2,045,286.66/x - Step 3: Cross multiply
7,725,209.94x = 11,588,257.74 × 2,045,286.66 - Step 4: Simplify right side
7,725,209.94x = 23,701,308,968,263.75 - Step 5: Solve for x
x = 23,701,308,968,263.75/7,725,209.94 - Step 6: Final answer
x = 3,068,047.23
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.