Finding the Fourth Proportional to 8,757,161.24, 13,136,995.50 and 2,692,402.20
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Solution
The fourth proportional to 8,757,161.24, 13,136,995.50 and 2,692,402.20 is: 4,038,988.73
Step by Step Solution
- Step 1: Write the proportion equation
8,757,161.24 : 13,136,995.50 = 2,692,402.20 : x - Step 2: Convert to fraction form
8,757,161.24/13,136,995.50 = 2,692,402.20/x - Step 3: Cross multiply
8,757,161.24x = 13,136,995.50 × 2,692,402.20 - Step 4: Simplify right side
8,757,161.24x = 35,370,075,575,493.59 - Step 5: Solve for x
x = 35,370,075,575,493.59/8,757,161.24 - Step 6: Final answer
x = 4,038,988.73
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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.