Finding the Fourth Proportional to 11,487,781.06, 15,855,490.30 and 6,844,286.28
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Solution
The fourth proportional to 11,487,781.06, 15,855,490.30 and 6,844,286.28 is: 9,446,516.62
Step by Step Solution
- Step 1: Write the proportion equation
11,487,781.06 : 15,855,490.30 = 6,844,286.28 : x - Step 2: Convert to fraction form
11,487,781.06/15,855,490.30 = 6,844,286.28/x - Step 3: Cross multiply
11,487,781.06x = 15,855,490.30 × 6,844,286.28 - Step 4: Simplify right side
11,487,781.06x = 108,519,514,722,963.09 - Step 5: Solve for x
x = 108,519,514,722,963.09/11,487,781.06 - Step 6: Final answer
x = 9,446,516.62
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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.