Finding the Fourth Proportional to 7,431,402.48, 11,144,428.66 and 2,572,388.68
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Solution
The fourth proportional to 7,431,402.48, 11,144,428.66 and 2,572,388.68 is: 3,857,657.04
Step by Step Solution
- Step 1: Write the proportion equation
7,431,402.48 : 11,144,428.66 = 2,572,388.68 : x - Step 2: Convert to fraction form
7,431,402.48/11,144,428.66 = 2,572,388.68/x - Step 3: Cross multiply
7,431,402.48x = 11,144,428.66 × 2,572,388.68 - Step 4: Simplify right side
7,431,402.48x = 28,667,802,130,051.57 - Step 5: Solve for x
x = 28,667,802,130,051.57/7,431,402.48 - Step 6: Final answer
x = 3,857,657.04
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.