Finding the Fourth Proportional to 12,596,496.39, 18,893,244.42 and 7,412,204.79
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Solution
The fourth proportional to 12,596,496.39, 18,893,244.42 and 7,412,204.79 is: 11,117,424.44
Step by Step Solution
- Step 1: Write the proportion equation
12,596,496.39 : 18,893,244.42 = 7,412,204.79 : x - Step 2: Convert to fraction form
12,596,496.39/18,893,244.42 = 7,412,204.79/x - Step 3: Cross multiply
12,596,496.39x = 18,893,244.42 × 7,412,204.79 - Step 4: Simplify right side
12,596,496.39x = 140,040,596,788,564.78 - Step 5: Solve for x
x = 140,040,596,788,564.78/12,596,496.39 - Step 6: Final answer
x = 11,117,424.44
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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.