Finding the Fourth Proportional to 27,920,288.64, 41,880,957.12 and 8,750,620.80
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Solution
The fourth proportional to 27,920,288.64, 41,880,957.12 and 8,750,620.80 is: 13,126,095.48
Step by Step Solution
- Step 1: Write the proportion equation
27,920,288.64 : 41,880,957.12 = 8,750,620.80 : x - Step 2: Convert to fraction form
27,920,288.64/41,880,957.12 = 8,750,620.80/x - Step 3: Cross multiply
27,920,288.64x = 41,880,957.12 × 8,750,620.80 - Step 4: Simplify right side
27,920,288.64x = 366,484,374,498,180.12 - Step 5: Solve for x
x = 366,484,374,498,180.12/27,920,288.64 - Step 6: Final answer
x = 13,126,095.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.