Finding the Fourth Proportional to 7,557,070.17, 10,428,363.34 and 4,293,431.94
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Solution
The fourth proportional to 7,557,070.17, 10,428,363.34 and 4,293,431.94 is: 5,924,712.52
Step by Step Solution
- Step 1: Write the proportion equation
7,557,070.17 : 10,428,363.34 = 4,293,431.94 : x - Step 2: Convert to fraction form
7,557,070.17/10,428,363.34 = 4,293,431.94/x - Step 3: Cross multiply
7,557,070.17x = 10,428,363.34 × 4,293,431.94 - Step 4: Simplify right side
7,557,070.17x = 44,773,468,245,881.09 - Step 5: Solve for x
x = 44,773,468,245,881.09/7,557,070.17 - Step 6: Final answer
x = 5,924,712.52
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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.