Finding the Fourth Proportional to 10,255,771.46, 14,157,322.44 and 6,390,202.48
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Solution
The fourth proportional to 10,255,771.46, 14,157,322.44 and 6,390,202.48 is: 8,821,194.71
Step by Step Solution
- Step 1: Write the proportion equation
10,255,771.46 : 14,157,322.44 = 6,390,202.48 : x - Step 2: Convert to fraction form
10,255,771.46/14,157,322.44 = 6,390,202.48/x - Step 3: Cross multiply
10,255,771.46x = 14,157,322.44 × 6,390,202.48 - Step 4: Simplify right side
10,255,771.46x = 90,468,156,966,247.66 - Step 5: Solve for x
x = 90,468,156,966,247.66/10,255,771.46 - Step 6: Final answer
x = 8,821,194.71
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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.