Finding the Fourth Proportional to 11,386,838.25, 15,713,445.93 and 6,493,635.21
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Solution
The fourth proportional to 11,386,838.25, 15,713,445.93 and 6,493,635.21 is: 8,960,993.69
Step by Step Solution
- Step 1: Write the proportion equation
11,386,838.25 : 15,713,445.93 = 6,493,635.21 : x - Step 2: Convert to fraction form
11,386,838.25/15,713,445.93 = 6,493,635.21/x - Step 3: Cross multiply
11,386,838.25x = 15,713,445.93 × 6,493,635.21 - Step 4: Simplify right side
11,386,838.25x = 102,037,385,761,479.19 - Step 5: Solve for x
x = 102,037,385,761,479.19/11,386,838.25 - Step 6: Final answer
x = 8,960,993.69
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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.