Finding the Fourth Proportional to 13,653,293.04, 18,841,486.95 and 7,541,721.54
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Solution
The fourth proportional to 13,653,293.04, 18,841,486.95 and 7,541,721.54 is: 10,407,543.99
Step by Step Solution
- Step 1: Write the proportion equation
13,653,293.04 : 18,841,486.95 = 7,541,721.54 : x - Step 2: Convert to fraction form
13,653,293.04/18,841,486.95 = 7,541,721.54/x - Step 3: Cross multiply
13,653,293.04x = 18,841,486.95 × 7,541,721.54 - Step 4: Simplify right side
13,653,293.04x = 142,097,247,976,443.91 - Step 5: Solve for x
x = 142,097,247,976,443.91/13,653,293.04 - Step 6: Final answer
x = 10,407,543.99
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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.