Finding the Fourth Proportional to 14,239,885.15, 19,651,135.85 and 7,713,514.54
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Solution
The fourth proportional to 14,239,885.15, 19,651,135.85 and 7,713,514.54 is: 10,644,701.17
Step by Step Solution
- Step 1: Write the proportion equation
14,239,885.15 : 19,651,135.85 = 7,713,514.54 : x - Step 2: Convert to fraction form
14,239,885.15/19,651,135.85 = 7,713,514.54/x - Step 3: Cross multiply
14,239,885.15x = 19,651,135.85 × 7,713,514.54 - Step 4: Simplify right side
14,239,885.15x = 151,579,322,121,412.28 - Step 5: Solve for x
x = 151,579,322,121,412.28/14,239,885.15 - Step 6: Final answer
x = 10,644,701.17
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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.