Finding the Fourth Proportional to 18,903,554.44, 28,360,377.40 and 6,774,243.96
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Solution
The fourth proportional to 18,903,554.44, 28,360,377.40 and 6,774,243.96 is: 10,163,174.12
Step by Step Solution
- Step 1: Write the proportion equation
18,903,554.44 : 28,360,377.40 = 6,774,243.96 : x - Step 2: Convert to fraction form
18,903,554.44/28,360,377.40 = 6,774,243.96/x - Step 3: Cross multiply
18,903,554.44x = 28,360,377.40 × 6,774,243.96 - Step 4: Simplify right side
18,903,554.44x = 192,120,115,305,270.50 - Step 5: Solve for x
x = 192,120,115,305,270.50/18,903,554.44 - Step 6: Final answer
x = 10,163,174.12
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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.