Finding the Fourth Proportional to 7,731,538.84, 11,596,407.54 and 2,052,204.40
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Solution
The fourth proportional to 7,731,538.84, 11,596,407.54 and 2,052,204.40 is: 3,078,067.52
Step by Step Solution
- Step 1: Write the proportion equation
7,731,538.84 : 11,596,407.54 = 2,052,204.40 : x - Step 2: Convert to fraction form
7,731,538.84/11,596,407.54 = 2,052,204.40/x - Step 3: Cross multiply
7,731,538.84x = 11,596,407.54 × 2,052,204.40 - Step 4: Simplify right side
7,731,538.84x = 23,798,198,577,781.17 - Step 5: Solve for x
x = 23,798,198,577,781.17/7,731,538.84 - Step 6: Final answer
x = 3,078,067.52
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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.