Finding the Fourth Proportional to 11,485,669.68, 15,850,225.56 and 6,659,573.04
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Solution
The fourth proportional to 11,485,669.68, 15,850,225.56 and 6,659,573.04 is: 9,190,211.61
Step by Step Solution
- Step 1: Write the proportion equation
11,485,669.68 : 15,850,225.56 = 6,659,573.04 : x - Step 2: Convert to fraction form
11,485,669.68/15,850,225.56 = 6,659,573.04/x - Step 3: Cross multiply
11,485,669.68x = 15,850,225.56 × 6,659,573.04 - Step 4: Simplify right side
11,485,669.68x = 105,555,734,817,294.91 - Step 5: Solve for x
x = 105,555,734,817,294.91/11,485,669.68 - Step 6: Final answer
x = 9,190,211.61
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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.