Finding the Fourth Proportional to 7,136,402.29, 9,848,244.89 and 3,873,217.05
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Solution
The fourth proportional to 7,136,402.29, 9,848,244.89 and 3,873,217.05 is: 5,345,044.81
Step by Step Solution
- Step 1: Write the proportion equation
7,136,402.29 : 9,848,244.89 = 3,873,217.05 : x - Step 2: Convert to fraction form
7,136,402.29/9,848,244.89 = 3,873,217.05/x - Step 3: Cross multiply
7,136,402.29x = 9,848,244.89 × 3,873,217.05 - Step 4: Simplify right side
7,136,402.29x = 38,144,390,030,206.41 - Step 5: Solve for x
x = 38,144,390,030,206.41/7,136,402.29 - Step 6: Final answer
x = 5,345,044.81
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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.