Finding the Fourth Proportional to 19,937,569.08, 27,515,464.14 and 11,236,330.80
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Solution
The fourth proportional to 19,937,569.08, 27,515,464.14 and 11,236,330.80 is: 15,507,048.83
Step by Step Solution
- Step 1: Write the proportion equation
19,937,569.08 : 27,515,464.14 = 11,236,330.80 : x - Step 2: Convert to fraction form
19,937,569.08/27,515,464.14 = 11,236,330.80/x - Step 3: Cross multiply
19,937,569.08x = 27,515,464.14 × 11,236,330.80 - Step 4: Simplify right side
19,937,569.08x = 309,172,857,192,577.56 - Step 5: Solve for x
x = 309,172,857,192,577.56/19,937,569.08 - Step 6: Final answer
x = 15,507,048.83
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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.