Finding the Fourth Proportional to 10,988,495.70, 16,482,743.55 and 7,204,175.70
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Solution
The fourth proportional to 10,988,495.70, 16,482,743.55 and 7,204,175.70 is: 10,806,263.55
Step by Step Solution
- Step 1: Write the proportion equation
10,988,495.70 : 16,482,743.55 = 7,204,175.70 : x - Step 2: Convert to fraction form
10,988,495.70/16,482,743.55 = 7,204,175.70/x - Step 3: Cross multiply
10,988,495.70x = 16,482,743.55 × 7,204,175.70 - Step 4: Simplify right side
10,988,495.70x = 118,744,580,552,241.75 - Step 5: Solve for x
x = 118,744,580,552,241.75/10,988,495.70 - Step 6: Final answer
x = 10,806,263.55
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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.