Finding the Fourth Proportional to 7,103,126.56, 9,799,916.07 and 4,045,175.68
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Solution
The fourth proportional to 7,103,126.56, 9,799,916.07 and 4,045,175.68 is: 5,580,976.46
Step by Step Solution
- Step 1: Write the proportion equation
7,103,126.56 : 9,799,916.07 = 4,045,175.68 : x - Step 2: Convert to fraction form
7,103,126.56/9,799,916.07 = 4,045,175.68/x - Step 3: Cross multiply
7,103,126.56x = 9,799,916.07 × 4,045,175.68 - Step 4: Simplify right side
7,103,126.56x = 39,642,382,152,405.18 - Step 5: Solve for x
x = 39,642,382,152,405.18/7,103,126.56 - Step 6: Final answer
x = 5,580,976.46
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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.