Finding the Fourth Proportional to 11,218,814.47, 15,481,963.61 and 6,062,175.91
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Solution
The fourth proportional to 11,218,814.47, 15,481,963.61 and 6,062,175.91 is: 8,365,802.56
Step by Step Solution
- Step 1: Write the proportion equation
11,218,814.47 : 15,481,963.61 = 6,062,175.91 : x - Step 2: Convert to fraction form
11,218,814.47/15,481,963.61 = 6,062,175.91/x - Step 3: Cross multiply
11,218,814.47x = 15,481,963.61 × 6,062,175.91 - Step 4: Simplify right side
11,218,814.47x = 93,854,386,836,038.64 - Step 5: Solve for x
x = 93,854,386,836,038.64/11,218,814.47 - Step 6: Final answer
x = 8,365,802.56
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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.