Finding the Fourth Proportional to 5,416,115.88, 8,075,752.35 and 5,267,312.40
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Solution
The fourth proportional to 5,416,115.88, 8,075,752.35 and 5,267,312.40 is: 7,853,877.47
Step by Step Solution
- Step 1: Write the proportion equation
5,416,115.88 : 8,075,752.35 = 5,267,312.40 : x - Step 2: Convert to fraction form
5,416,115.88/8,075,752.35 = 5,267,312.40/x - Step 3: Cross multiply
5,416,115.88x = 8,075,752.35 × 5,267,312.40 - Step 4: Simplify right side
5,416,115.88x = 42,537,510,492,484.14 - Step 5: Solve for x
x = 42,537,510,492,484.14/5,416,115.88 - Step 6: Final answer
x = 7,853,877.47
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.