Finding the Fourth Proportional to 8,514,756.60, 12,775,634.10 and 3,125,988.60
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Solution
The fourth proportional to 8,514,756.60, 12,775,634.10 and 3,125,988.60 is: 4,690,267.55
Step by Step Solution
- Step 1: Write the proportion equation
8,514,756.60 : 12,775,634.10 = 3,125,988.60 : x - Step 2: Convert to fraction form
8,514,756.60/12,775,634.10 = 3,125,988.60/x - Step 3: Cross multiply
8,514,756.60x = 12,775,634.10 × 3,125,988.60 - Step 4: Simplify right side
8,514,756.60x = 39,936,486,554,371.26 - Step 5: Solve for x
x = 39,936,486,554,371.26/8,514,756.60 - Step 6: Final answer
x = 4,690,267.55
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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.