Finding the Fourth Proportional to 26,723,471.70, 40,085,207.55 and 13,286,543.70
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Solution
The fourth proportional to 26,723,471.70, 40,085,207.55 and 13,286,543.70 is: 19,929,815.55
Step by Step Solution
- Step 1: Write the proportion equation
26,723,471.70 : 40,085,207.55 = 13,286,543.70 : x - Step 2: Convert to fraction form
26,723,471.70/40,085,207.55 = 13,286,543.70/x - Step 3: Cross multiply
26,723,471.70x = 40,085,207.55 × 13,286,543.70 - Step 4: Simplify right side
26,723,471.70x = 532,593,861,836,644.88 - Step 5: Solve for x
x = 532,593,861,836,644.88/26,723,471.70 - Step 6: Final answer
x = 19,929,815.55
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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.