Finding the Fourth Proportional to 7,482,690.12, 10,319,225.94 and 4,903,434.12
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Solution
The fourth proportional to 7,482,690.12, 10,319,225.94 and 4,903,434.12 is: 6,762,226.39
Step by Step Solution
- Step 1: Write the proportion equation
7,482,690.12 : 10,319,225.94 = 4,903,434.12 : x - Step 2: Convert to fraction form
7,482,690.12/10,319,225.94 = 4,903,434.12/x - Step 3: Cross multiply
7,482,690.12x = 10,319,225.94 × 4,903,434.12 - Step 4: Simplify right side
7,482,690.12x = 50,599,644,566,185.07 - Step 5: Solve for x
x = 50,599,644,566,185.07/7,482,690.12 - Step 6: Final answer
x = 6,762,226.39
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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.