Finding the Fourth Proportional to 8,472,765.62, 11,692,372.70 and 4,605,307.62
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Solution
The fourth proportional to 8,472,765.62, 11,692,372.70 and 4,605,307.62 is: 6,355,300.68
Step by Step Solution
- Step 1: Write the proportion equation
8,472,765.62 : 11,692,372.70 = 4,605,307.62 : x - Step 2: Convert to fraction form
8,472,765.62/11,692,372.70 = 4,605,307.62/x - Step 3: Cross multiply
8,472,765.62x = 11,692,372.70 × 4,605,307.62 - Step 4: Simplify right side
8,472,765.62x = 53,846,973,091,189.97 - Step 5: Solve for x
x = 53,846,973,091,189.97/8,472,765.62 - Step 6: Final answer
x = 6,355,300.68
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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.