Finding the Fourth Proportional to 11,509,531.32, 15,883,154.62 and 6,352,894.28
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Solution
The fourth proportional to 11,509,531.32, 15,883,154.62 and 6,352,894.28 is: 8,766,994.88
Step by Step Solution
- Step 1: Write the proportion equation
11,509,531.32 : 15,883,154.62 = 6,352,894.28 : x - Step 2: Convert to fraction form
11,509,531.32/15,883,154.62 = 6,352,894.28/x - Step 3: Cross multiply
11,509,531.32x = 15,883,154.62 × 6,352,894.28 - Step 4: Simplify right side
11,509,531.32x = 100,904,002,133,753.58 - Step 5: Solve for x
x = 100,904,002,133,753.58/11,509,531.32 - Step 6: Final answer
x = 8,766,994.88
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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.