Finding the Fourth Proportional to 7,381,405.48, 10,186,591.14 and 4,283,690.44
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Solution
The fourth proportional to 7,381,405.48, 10,186,591.14 and 4,283,690.44 is: 5,911,638.81
Step by Step Solution
- Step 1: Write the proportion equation
7,381,405.48 : 10,186,591.14 = 4,283,690.44 : x - Step 2: Convert to fraction form
7,381,405.48/10,186,591.14 = 4,283,690.44/x - Step 3: Cross multiply
7,381,405.48x = 10,186,591.14 × 4,283,690.44 - Step 4: Simplify right side
7,381,405.48x = 43,636,203,082,606.71 - Step 5: Solve for x
x = 43,636,203,082,606.71/7,381,405.48 - Step 6: Final answer
x = 5,911,638.81
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1.5x scale
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.