Finding the Fourth Proportional to 8,579,266.62, 12,868,889.08 and 2,189,518.98
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Solution
The fourth proportional to 8,579,266.62, 12,868,889.08 and 2,189,518.98 is: 3,284,275.70
Step by Step Solution
- Step 1: Write the proportion equation
8,579,266.62 : 12,868,889.08 = 2,189,518.98 : x - Step 2: Convert to fraction form
8,579,266.62/12,868,889.08 = 2,189,518.98/x - Step 3: Cross multiply
8,579,266.62x = 12,868,889.08 × 2,189,518.98 - Step 4: Simplify right side
8,579,266.62x = 28,176,676,892,174.74 - Step 5: Solve for x
x = 28,176,676,892,174.74/8,579,266.62 - Step 6: Final answer
x = 3,284,275.70
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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.