Finding the Fourth Proportional to 7,689,966.75, 11,537,477.37 and 3,144,838.86
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Solution
The fourth proportional to 7,689,966.75, 11,537,477.37 and 3,144,838.86 is: 4,718,291.82
Step by Step Solution
- Step 1: Write the proportion equation
7,689,966.75 : 11,537,477.37 = 3,144,838.86 : x - Step 2: Convert to fraction form
7,689,966.75/11,537,477.37 = 3,144,838.86/x - Step 3: Cross multiply
7,689,966.75x = 11,537,477.37 × 3,144,838.86 - Step 4: Simplify right side
7,689,966.75x = 36,283,507,179,546.59 - Step 5: Solve for x
x = 36,283,507,179,546.59/7,689,966.75 - Step 6: Final answer
x = 4,718,291.82
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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.