Finding the Fourth Proportional to 19,644,070.08, 27,109,097.58 and 11,272,804.05
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Solution
The fourth proportional to 19,644,070.08, 27,109,097.58 and 11,272,804.05 is: 15,556,630.77
Step by Step Solution
- Step 1: Write the proportion equation
19,644,070.08 : 27,109,097.58 = 11,272,804.05 : x - Step 2: Convert to fraction form
19,644,070.08/27,109,097.58 = 11,272,804.05/x - Step 3: Cross multiply
19,644,070.08x = 27,109,097.58 × 11,272,804.05 - Step 4: Simplify right side
19,644,070.08x = 305,595,544,991,669.19 - Step 5: Solve for x
x = 305,595,544,991,669.19/19,644,070.08 - Step 6: Final answer
x = 15,556,630.77
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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.