Finding the Fourth Proportional to 12,513,293.12, 17,268,283.68 and 6,790,157.12
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Solution
The fourth proportional to 12,513,293.12, 17,268,283.68 and 6,790,157.12 is: 9,370,383.82
Step by Step Solution
- Step 1: Write the proportion equation
12,513,293.12 : 17,268,283.68 = 6,790,157.12 : x - Step 2: Convert to fraction form
12,513,293.12/17,268,283.68 = 6,790,157.12/x - Step 3: Cross multiply
12,513,293.12x = 17,268,283.68 × 6,790,157.12 - Step 4: Simplify right side
12,513,293.12x = 117,254,359,379,931.80 - Step 5: Solve for x
x = 117,254,359,379,931.80/12,513,293.12 - Step 6: Final answer
x = 9,370,383.82
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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.