Finding the Fourth Proportional to 10,368,315.20, 15,552,472.80 and 2,796,046.40
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Solution
The fourth proportional to 10,368,315.20, 15,552,472.80 and 2,796,046.40 is: 4,194,069.60
Step by Step Solution
- Step 1: Write the proportion equation
10,368,315.20 : 15,552,472.80 = 2,796,046.40 : x - Step 2: Convert to fraction form
10,368,315.20/15,552,472.80 = 2,796,046.40/x - Step 3: Cross multiply
10,368,315.20x = 15,552,472.80 × 2,796,046.40 - Step 4: Simplify right side
10,368,315.20x = 43,485,435,583,537.92 - Step 5: Solve for x
x = 43,485,435,583,537.92/10,368,315.20 - Step 6: Final answer
x = 4,194,069.60
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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.