Finding the Fourth Proportional to 7,942,521.42, 11,911,813.83 and 2,262,794.94
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Solution
The fourth proportional to 7,942,521.42, 11,911,813.83 and 2,262,794.94 is: 3,393,631.65
Step by Step Solution
- Step 1: Write the proportion equation
7,942,521.42 : 11,911,813.83 = 2,262,794.94 : x - Step 2: Convert to fraction form
7,942,521.42/11,911,813.83 = 2,262,794.94/x - Step 3: Cross multiply
7,942,521.42x = 11,911,813.83 × 2,262,794.94 - Step 4: Simplify right side
7,942,521.42x = 26,953,992,060,746.02 - Step 5: Solve for x
x = 26,953,992,060,746.02/7,942,521.42 - Step 6: Final answer
x = 3,393,631.65
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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.