Finding the Fourth Proportional to 11,465,542.39, 15,821,974.10 and 6,238,572.06
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Solution
The fourth proportional to 11,465,542.39, 15,821,974.10 and 6,238,572.06 is: 8,608,971.31
Step by Step Solution
- Step 1: Write the proportion equation
11,465,542.39 : 15,821,974.10 = 6,238,572.06 : x - Step 2: Convert to fraction form
11,465,542.39/15,821,974.10 = 6,238,572.06/x - Step 3: Cross multiply
11,465,542.39x = 15,821,974.10 × 6,238,572.06 - Step 4: Simplify right side
11,465,542.39x = 98,706,525,510,567.67 - Step 5: Solve for x
x = 98,706,525,510,567.67/11,465,542.39 - Step 6: Final answer
x = 8,608,971.31
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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.