Finding the Fourth Proportional to 8,316,107.80, 12,478,827.30 and 3,522,981.40
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Solution
The fourth proportional to 8,316,107.80, 12,478,827.30 and 3,522,981.40 is: 5,286,448.60
Step by Step Solution
- Step 1: Write the proportion equation
8,316,107.80 : 12,478,827.30 = 3,522,981.40 : x - Step 2: Convert to fraction form
8,316,107.80/12,478,827.30 = 3,522,981.40/x - Step 3: Cross multiply
8,316,107.80x = 12,478,827.30 × 3,522,981.40 - Step 4: Simplify right side
8,316,107.80x = 43,962,676,471,712.22 - Step 5: Solve for x
x = 43,962,676,471,712.22/8,316,107.80 - Step 6: Final answer
x = 5,286,448.60
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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.