Finding the Fourth Proportional to 35,369,536.80, 48,809,460.69 and 19,899,584.52
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Solution
The fourth proportional to 35,369,536.80, 48,809,460.69 and 19,899,584.52 is: 27,461,145.28
Step by Step Solution
- Step 1: Write the proportion equation
35,369,536.80 : 48,809,460.69 = 19,899,584.52 : x - Step 2: Convert to fraction form
35,369,536.80/48,809,460.69 = 19,899,584.52/x - Step 3: Cross multiply
35,369,536.80x = 48,809,460.69 × 19,899,584.52 - Step 4: Simplify right side
35,369,536.80x = 971,287,988,376,272.50 - Step 5: Solve for x
x = 971,287,988,376,272.50/35,369,536.80 - Step 6: Final answer
x = 27,461,145.28
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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.