Finding the Fourth Proportional to 8,757,162.84, 13,136,997.91 and 2,692,403.81
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Solution
The fourth proportional to 8,757,162.84, 13,136,997.91 and 2,692,403.81 is: 4,038,991.15
Step by Step Solution
- Step 1: Write the proportion equation
8,757,162.84 : 13,136,997.91 = 2,692,403.81 : x - Step 2: Convert to fraction form
8,757,162.84/13,136,997.91 = 2,692,403.81/x - Step 3: Cross multiply
8,757,162.84x = 13,136,997.91 × 2,692,403.81 - Step 4: Simplify right side
8,757,162.84x = 35,370,103,224,846.04 - Step 5: Solve for x
x = 35,370,103,224,846.04/8,757,162.84 - Step 6: Final answer
x = 4,038,991.15
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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.