Finding the Fourth Proportional to 27,716,554.68, 38,249,092.89 and 15,327,486.42
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Solution
The fourth proportional to 27,716,554.68, 38,249,092.89 and 15,327,486.42 is: 21,152,068.09
Step by Step Solution
- Step 1: Write the proportion equation
27,716,554.68 : 38,249,092.89 = 15,327,486.42 : x - Step 2: Convert to fraction form
27,716,554.68/38,249,092.89 = 15,327,486.42/x - Step 3: Cross multiply
27,716,554.68x = 38,249,092.89 × 15,327,486.42 - Step 4: Simplify right side
27,716,554.68x = 586,262,451,848,793.50 - Step 5: Solve for x
x = 586,262,451,848,793.50/27,716,554.68 - Step 6: Final answer
x = 21,152,068.09
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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.