Finding the Fourth Proportional to 11,531,859.66, 15,911,326.17 and 6,884,740.26
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Solution
The fourth proportional to 11,531,859.66, 15,911,326.17 and 6,884,740.26 is: 9,499,365.33
Step by Step Solution
- Step 1: Write the proportion equation
11,531,859.66 : 15,911,326.17 = 6,884,740.26 : x - Step 2: Convert to fraction form
11,531,859.66/15,911,326.17 = 6,884,740.26/x - Step 3: Cross multiply
11,531,859.66x = 15,911,326.17 × 6,884,740.26 - Step 4: Simplify right side
11,531,859.66x = 109,545,347,872,590.59 - Step 5: Solve for x
x = 109,545,347,872,590.59/11,531,859.66 - Step 6: Final answer
x = 9,499,365.33
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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.