Finding the Fourth Proportional to 8,393,398.20, 12,593,207.70 and 2,713,807.80
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Solution
The fourth proportional to 8,393,398.20, 12,593,207.70 and 2,713,807.80 is: 4,071,717.37
Step by Step Solution
- Step 1: Write the proportion equation
8,393,398.20 : 12,593,207.70 = 2,713,807.80 : x - Step 2: Convert to fraction form
8,393,398.20/12,593,207.70 = 2,713,807.80/x - Step 3: Cross multiply
8,393,398.20x = 12,593,207.70 × 2,713,807.80 - Step 4: Simplify right side
8,393,398.20x = 34,175,545,283,280.05 - Step 5: Solve for x
x = 34,175,545,283,280.05/8,393,398.20 - Step 6: Final answer
x = 4,071,717.37
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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.