Finding the Fourth Proportional to 11,335,858.71, 15,642,702.99 and 6,375,041.43
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Solution
The fourth proportional to 11,335,858.71, 15,642,702.99 and 6,375,041.43 is: 8,797,117.38
Step by Step Solution
- Step 1: Write the proportion equation
11,335,858.71 : 15,642,702.99 = 6,375,041.43 : x - Step 2: Convert to fraction form
11,335,858.71/15,642,702.99 = 6,375,041.43/x - Step 3: Cross multiply
11,335,858.71x = 15,642,702.99 × 6,375,041.43 - Step 4: Simplify right side
11,335,858.71x = 99,722,879,638,434.88 - Step 5: Solve for x
x = 99,722,879,638,434.88/11,335,858.71 - Step 6: Final answer
x = 8,797,117.38
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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.