Finding the Fourth Proportional to 9,922,881.12, 14,862,620.80 and 7,035,495.68
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Solution
The fourth proportional to 9,922,881.12, 14,862,620.80 and 7,035,495.68 is: 10,537,857.22
Step by Step Solution
- Step 1: Write the proportion equation
9,922,881.12 : 14,862,620.80 = 7,035,495.68 : x - Step 2: Convert to fraction form
9,922,881.12/14,862,620.80 = 7,035,495.68/x - Step 3: Cross multiply
9,922,881.12x = 14,862,620.80 × 7,035,495.68 - Step 4: Simplify right side
9,922,881.12x = 104,565,904,431,878.14 - Step 5: Solve for x
x = 104,565,904,431,878.14/9,922,881.12 - Step 6: Final answer
x = 10,537,857.22
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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.