Finding the Fourth Proportional to 18,090,453.15, 27,127,385.33 and 7,987,873.95
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Solution
The fourth proportional to 18,090,453.15, 27,127,385.33 and 7,987,873.95 is: 11,978,148.52
Step by Step Solution
- Step 1: Write the proportion equation
18,090,453.15 : 27,127,385.33 = 7,987,873.95 : x - Step 2: Convert to fraction form
18,090,453.15/27,127,385.33 = 7,987,873.95/x - Step 3: Cross multiply
18,090,453.15x = 27,127,385.33 × 7,987,873.95 - Step 4: Simplify right side
18,090,453.15x = 216,690,134,569,179.78 - Step 5: Solve for x
x = 216,690,134,569,179.78/18,090,453.15 - Step 6: Final answer
x = 11,978,148.52
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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.