Finding the Fourth Proportional to 8,503,075.23, 12,756,811.79 and 2,438,250.85
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Solution
The fourth proportional to 8,503,075.23, 12,756,811.79 and 2,438,250.85 is: 3,658,006.82
Step by Step Solution
- Step 1: Write the proportion equation
8,503,075.23 : 12,756,811.79 = 2,438,250.85 : x - Step 2: Convert to fraction form
8,503,075.23/12,756,811.79 = 2,438,250.85/x - Step 3: Cross multiply
8,503,075.23x = 12,756,811.79 × 2,438,250.85 - Step 4: Simplify right side
8,503,075.23x = 31,104,307,190,257.52 - Step 5: Solve for x
x = 31,104,307,190,257.52/8,503,075.23 - Step 6: Final answer
x = 3,658,006.82
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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.