Finding the Fourth Proportional to 11,569,312.68, 15,965,623.98 and 6,342,311.64
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Solution
The fourth proportional to 11,569,312.68, 15,965,623.98 and 6,342,311.64 is: 8,752,374.98
Step by Step Solution
- Step 1: Write the proportion equation
11,569,312.68 : 15,965,623.98 = 6,342,311.64 : x - Step 2: Convert to fraction form
11,569,312.68/15,965,623.98 = 6,342,311.64/x - Step 3: Cross multiply
11,569,312.68x = 15,965,623.98 × 6,342,311.64 - Step 4: Simplify right side
11,569,312.68x = 101,258,962,808,217.12 - Step 5: Solve for x
x = 101,258,962,808,217.12/11,569,312.68 - Step 6: Final answer
x = 8,752,374.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.