Finding the Fourth Proportional to 17,802,705.80, 26,692,394.70 and 7,013,505.80
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Solution
The fourth proportional to 17,802,705.80, 26,692,394.70 and 7,013,505.80 is: 10,515,663.58
Step by Step Solution
- Step 1: Write the proportion equation
17,802,705.80 : 26,692,394.70 = 7,013,505.80 : x - Step 2: Convert to fraction form
17,802,705.80/26,692,394.70 = 7,013,505.80/x - Step 3: Cross multiply
17,802,705.80x = 26,692,394.70 × 7,013,505.80 - Step 4: Simplify right side
17,802,705.80x = 187,207,265,044,339.25 - Step 5: Solve for x
x = 187,207,265,044,339.25/17,802,705.80 - Step 6: Final answer
x = 10,515,663.58
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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.