Finding the Fourth Proportional to 20,587,045.36, 30,880,830.84 and 5,440,846
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Solution
The fourth proportional to 20,587,045.36, 30,880,830.84 and 5,440,846 is: 8,161,338.45
Step by Step Solution
- Step 1: Write the proportion equation
20,587,045.36 : 30,880,830.84 = 5,440,846 : x - Step 2: Convert to fraction form
20,587,045.36/30,880,830.84 = 5,440,846/x - Step 3: Cross multiply
20,587,045.36x = 30,880,830.84 × 5,440,846 - Step 4: Simplify right side
20,587,045.36x = 168,017,844,952,490.62 - Step 5: Solve for x
x = 168,017,844,952,490.62/20,587,045.36 - Step 6: Final answer
x = 8,161,338.45
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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.