Finding the Fourth Proportional to 11,476,194.30, 15,835,943.82 and 6,513,055.08
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Solution
The fourth proportional to 11,476,194.30, 15,835,943.82 and 6,513,055.08 is: 8,987,332.53
Step by Step Solution
- Step 1: Write the proportion equation
11,476,194.30 : 15,835,943.82 = 6,513,055.08 : x - Step 2: Convert to fraction form
11,476,194.30/15,835,943.82 = 6,513,055.08/x - Step 3: Cross multiply
11,476,194.30x = 15,835,943.82 × 6,513,055.08 - Step 4: Simplify right side
11,476,194.30x = 103,140,374,343,445.61 - Step 5: Solve for x
x = 103,140,374,343,445.61/11,476,194.30 - Step 6: Final answer
x = 8,987,332.53
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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.