Finding the Fourth Proportional to 7,883,396.90, 11,825,095.35 and 2,564,612.90
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Solution
The fourth proportional to 7,883,396.90, 11,825,095.35 and 2,564,612.90 is: 3,846,919.35
Step by Step Solution
- Step 1: Write the proportion equation
7,883,396.90 : 11,825,095.35 = 2,564,612.90 : x - Step 2: Convert to fraction form
7,883,396.90/11,825,095.35 = 2,564,612.90/x - Step 3: Cross multiply
7,883,396.90x = 11,825,095.35 × 2,564,612.90 - Step 4: Simplify right side
7,883,396.90x = 30,326,792,078,340.01 - Step 5: Solve for x
x = 30,326,792,078,340.01/7,883,396.90 - Step 6: Final answer
x = 3,846,919.35
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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.