Finding the Fourth Proportional to 11,497,572.95, 15,866,666.39 and 6,270,593.74
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Solution
The fourth proportional to 11,497,572.95, 15,866,666.39 and 6,270,593.74 is: 8,653,427.94
Step by Step Solution
- Step 1: Write the proportion equation
11,497,572.95 : 15,866,666.39 = 6,270,593.74 : x - Step 2: Convert to fraction form
11,497,572.95/15,866,666.39 = 6,270,593.74/x - Step 3: Cross multiply
11,497,572.95x = 15,866,666.39 × 6,270,593.74 - Step 4: Simplify right side
11,497,572.95x = 99,493,418,915,812.22 - Step 5: Solve for x
x = 99,493,418,915,812.22/11,497,572.95 - Step 6: Final answer
x = 8,653,427.94
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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.