Finding the Fourth Proportional to 7,175,214.97, 9,901,663.36 and 3,912,057.88
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Solution
The fourth proportional to 7,175,214.97, 9,901,663.36 and 3,912,057.88 is: 5,398,567.19
Step by Step Solution
- Step 1: Write the proportion equation
7,175,214.97 : 9,901,663.36 = 3,912,057.88 : x - Step 2: Convert to fraction form
7,175,214.97/9,901,663.36 = 3,912,057.88/x - Step 3: Cross multiply
7,175,214.97x = 9,901,663.36 × 3,912,057.88 - Step 4: Simplify right side
7,175,214.97x = 38,735,880,138,060.98 - Step 5: Solve for x
x = 38,735,880,138,060.98/7,175,214.97 - Step 6: Final answer
x = 5,398,567.19
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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.