Finding the Fourth Proportional to 8,143,299.14, 12,216,625.63 and 2,386,220.04
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Solution
The fourth proportional to 8,143,299.14, 12,216,625.63 and 2,386,220.04 is: 3,579,821.45
Step by Step Solution
- Step 1: Write the proportion equation
8,143,299.14 : 12,216,625.63 = 2,386,220.04 : x - Step 2: Convert to fraction form
8,143,299.14/12,216,625.63 = 2,386,220.04/x - Step 3: Cross multiply
8,143,299.14x = 12,216,625.63 × 2,386,220.04 - Step 4: Simplify right side
8,143,299.14x = 29,151,556,893,518.07 - Step 5: Solve for x
x = 29,151,556,893,518.07/8,143,299.14 - Step 6: Final answer
x = 3,579,821.45
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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.