Finding the Fourth Proportional to 8,221,283.97, 12,317,750.96 and 5,449,852.77
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Solution
The fourth proportional to 8,221,283.97, 12,317,750.96 and 5,449,852.77 is: 8,165,382.61
Step by Step Solution
- Step 1: Write the proportion equation
8,221,283.97 : 12,317,750.96 = 5,449,852.77 : x - Step 2: Convert to fraction form
8,221,283.97/12,317,750.96 = 5,449,852.77/x - Step 3: Cross multiply
8,221,283.97x = 12,317,750.96 × 5,449,852.77 - Step 4: Simplify right side
8,221,283.97x = 67,129,929,162,276.89 - Step 5: Solve for x
x = 67,129,929,162,276.89/8,221,283.97 - Step 6: Final answer
x = 8,165,382.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.