Finding the Fourth Proportional to 18,402,466.70, 27,603,700.05 and 6,285,611.90
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Solution
The fourth proportional to 18,402,466.70, 27,603,700.05 and 6,285,611.90 is: 9,428,417.85
Step by Step Solution
- Step 1: Write the proportion equation
18,402,466.70 : 27,603,700.05 = 6,285,611.90 : x - Step 2: Convert to fraction form
18,402,466.70/27,603,700.05 = 6,285,611.90/x - Step 3: Cross multiply
18,402,466.70x = 27,603,700.05 × 6,285,611.90 - Step 4: Simplify right side
18,402,466.70x = 173,506,145,518,310.62 - Step 5: Solve for x
x = 173,506,145,518,310.62/18,402,466.70 - Step 6: Final answer
x = 9,428,417.85
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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.