Finding the Fourth Proportional to 8,423,857.26, 12,636,245.16 and 2,666,160.90
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Solution
The fourth proportional to 8,423,857.26, 12,636,245.16 and 2,666,160.90 is: 3,999,386.70
Step by Step Solution
- Step 1: Write the proportion equation
8,423,857.26 : 12,636,245.16 = 2,666,160.90 : x - Step 2: Convert to fraction form
8,423,857.26/12,636,245.16 = 2,666,160.90/x - Step 3: Cross multiply
8,423,857.26x = 12,636,245.16 × 2,666,160.90 - Step 4: Simplify right side
8,423,857.26x = 33,690,262,705,225.02 - Step 5: Solve for x
x = 33,690,262,705,225.02/8,423,857.26 - Step 6: Final answer
x = 3,999,386.70
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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.