Finding the Fourth Proportional to 18,102,507.67, 24,981,284.95 and 9,842,569.84
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Solution
The fourth proportional to 18,102,507.67, 24,981,284.95 and 9,842,569.84 is: 13,582,650.88
Step by Step Solution
- Step 1: Write the proportion equation
18,102,507.67 : 24,981,284.95 = 9,842,569.84 : x - Step 2: Convert to fraction form
18,102,507.67/24,981,284.95 = 9,842,569.84/x - Step 3: Cross multiply
18,102,507.67x = 24,981,284.95 × 9,842,569.84 - Step 4: Simplify right side
18,102,507.67x = 245,880,041,813,315.91 - Step 5: Solve for x
x = 245,880,041,813,315.91/18,102,507.67 - Step 6: Final answer
x = 13,582,650.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.