Finding the Fourth Proportional to 18,441,690.28, 27,682,014.30 and 10,361,570.92
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Solution
The fourth proportional to 18,441,690.28, 27,682,014.30 and 10,361,570.92 is: 15,553,300.70
Step by Step Solution
- Step 1: Write the proportion equation
18,441,690.28 : 27,682,014.30 = 10,361,570.92 : x - Step 2: Convert to fraction form
18,441,690.28/27,682,014.30 = 10,361,570.92/x - Step 3: Cross multiply
18,441,690.28x = 27,682,014.30 × 10,361,570.92 - Step 4: Simplify right side
18,441,690.28x = 286,829,154,377,904.19 - Step 5: Solve for x
x = 286,829,154,377,904.19/18,441,690.28 - Step 6: Final answer
x = 15,553,300.70
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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.