Finding the Fourth Proportional to 11,146,727.10, 16,720,090.65 and 6,667,751.10
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Solution
The fourth proportional to 11,146,727.10, 16,720,090.65 and 6,667,751.10 is: 10,001,626.65
Step by Step Solution
- Step 1: Write the proportion equation
11,146,727.10 : 16,720,090.65 = 6,667,751.10 : x - Step 2: Convert to fraction form
11,146,727.10/16,720,090.65 = 6,667,751.10/x - Step 3: Cross multiply
11,146,727.10x = 16,720,090.65 × 6,667,751.10 - Step 4: Simplify right side
11,146,727.10x = 111,485,402,823,637.22 - Step 5: Solve for x
x = 111,485,402,823,637.22/11,146,727.10 - Step 6: Final answer
x = 10,001,626.65
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.