Finding the Fourth Proportional to 27,716,553.18, 38,249,090.82 and 15,327,484.92
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Solution
The fourth proportional to 27,716,553.18, 38,249,090.82 and 15,327,484.92 is: 21,152,066.02
Step by Step Solution
- Step 1: Write the proportion equation
27,716,553.18 : 38,249,090.82 = 15,327,484.92 : x - Step 2: Convert to fraction form
27,716,553.18/38,249,090.82 = 15,327,484.92/x - Step 3: Cross multiply
27,716,553.18x = 38,249,090.82 × 15,327,484.92 - Step 4: Simplify right side
27,716,553.18x = 586,262,362,747,260.38 - Step 5: Solve for x
x = 586,262,362,747,260.38/27,716,553.18 - Step 6: Final answer
x = 21,152,066.02
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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.