Finding the Fourth Proportional to 7,370,940.52, 10,168,901.73 and 4,891,330.51
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Solution
The fourth proportional to 7,370,940.52, 10,168,901.73 and 4,891,330.51 is: 6,748,047.84
Step by Step Solution
- Step 1: Write the proportion equation
7,370,940.52 : 10,168,901.73 = 4,891,330.51 : x - Step 2: Convert to fraction form
7,370,940.52/10,168,901.73 = 4,891,330.51/x - Step 3: Cross multiply
7,370,940.52x = 10,168,901.73 × 4,891,330.51 - Step 4: Simplify right side
7,370,940.52x = 49,739,459,316,918.60 - Step 5: Solve for x
x = 49,739,459,316,918.60/7,370,940.52 - Step 6: Final answer
x = 6,748,047.84
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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.