Finding the Fourth Proportional to 7,926,292.72, 10,938,283.50 and 4,489,198.12
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Solution
The fourth proportional to 7,926,292.72, 10,938,283.50 and 4,489,198.12 is: 6,195,093.15
Step by Step Solution
- Step 1: Write the proportion equation
7,926,292.72 : 10,938,283.50 = 4,489,198.12 : x - Step 2: Convert to fraction form
7,926,292.72/10,938,283.50 = 4,489,198.12/x - Step 3: Cross multiply
7,926,292.72x = 10,938,283.50 × 4,489,198.12 - Step 4: Simplify right side
7,926,292.72x = 49,104,121,724,227.02 - Step 5: Solve for x
x = 49,104,121,724,227.02/7,926,292.72 - Step 6: Final answer
x = 6,195,093.15
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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.