Finding the Fourth Proportional to 7,704,486, 11,546,685.12 and 4,292,634.72
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Solution
The fourth proportional to 7,704,486, 11,546,685.12 and 4,292,634.72 is: 6,433,356.03
Step by Step Solution
- Step 1: Write the proportion equation
7,704,486 : 11,546,685.12 = 4,292,634.72 : x - Step 2: Convert to fraction form
7,704,486/11,546,685.12 = 4,292,634.72/x - Step 3: Cross multiply
7,704,486x = 11,546,685.12 × 4,292,634.72 - Step 4: Simplify right side
7,704,486x = 49,565,701,447,019.36 - Step 5: Solve for x
x = 49,565,701,447,019.36/7,704,486 - Step 6: Final answer
x = 6,433,356.03
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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.