Finding the Fourth Proportional to 9,968,128.70, 14,952,193.05 and 5,663,456.60
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Solution
The fourth proportional to 9,968,128.70, 14,952,193.05 and 5,663,456.60 is: 8,495,184.90
Step by Step Solution
- Step 1: Write the proportion equation
9,968,128.70 : 14,952,193.05 = 5,663,456.60 : x - Step 2: Convert to fraction form
9,968,128.70/14,952,193.05 = 5,663,456.60/x - Step 3: Cross multiply
9,968,128.70x = 14,952,193.05 × 5,663,456.60 - Step 4: Simplify right side
9,968,128.70x = 84,681,096,413,496.62 - Step 5: Solve for x
x = 84,681,096,413,496.62/9,968,128.70 - Step 6: Final answer
x = 8,495,184.90
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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.