Finding the Fourth Proportional to 8,157,639.92, 12,225,437.06 and 3,106,194.80
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Solution
The fourth proportional to 8,157,639.92, 12,225,437.06 and 3,106,194.80 is: 4,655,095.02
Step by Step Solution
- Step 1: Write the proportion equation
8,157,639.92 : 12,225,437.06 = 3,106,194.80 : x - Step 2: Convert to fraction form
8,157,639.92/12,225,437.06 = 3,106,194.80/x - Step 3: Cross multiply
8,157,639.92x = 12,225,437.06 × 3,106,194.80 - Step 4: Simplify right side
8,157,639.92x = 37,974,588,946,841.12 - Step 5: Solve for x
x = 37,974,588,946,841.12/8,157,639.92 - Step 6: Final answer
x = 4,655,095.02
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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.