Finding the Fourth Proportional to 8,759,452.04, 12,000,248.45 and 8,431,960.36
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Solution
The fourth proportional to 8,759,452.04, 12,000,248.45 and 8,431,960.36 is: 11,551,592.36
Step by Step Solution
- Step 1: Write the proportion equation
8,759,452.04 : 12,000,248.45 = 8,431,960.36 : x - Step 2: Convert to fraction form
8,759,452.04/12,000,248.45 = 8,431,960.36/x - Step 3: Cross multiply
8,759,452.04x = 12,000,248.45 × 8,431,960.36 - Step 4: Simplify right side
8,759,452.04x = 101,185,619,240,551.42 - Step 5: Solve for x
x = 101,185,619,240,551.42/8,759,452.04 - Step 6: Final answer
x = 11,551,592.36
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.