Finding the Fourth Proportional to 28,003,107.44, 38,644,059.48 and 15,613,053.68
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Solution
The fourth proportional to 28,003,107.44, 38,644,059.48 and 15,613,053.68 is: 21,545,886.52
Step by Step Solution
- Step 1: Write the proportion equation
28,003,107.44 : 38,644,059.48 = 15,613,053.68 : x - Step 2: Convert to fraction form
28,003,107.44/38,644,059.48 = 15,613,053.68/x - Step 3: Cross multiply
28,003,107.44x = 38,644,059.48 × 15,613,053.68 - Step 4: Simplify right side
28,003,107.44x = 603,351,775,074,352.88 - Step 5: Solve for x
x = 603,351,775,074,352.88/28,003,107.44 - Step 6: Final answer
x = 21,545,886.52
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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.