Finding the Fourth Proportional to 11,105,353.67, 15,326,168.96 and 6,211,031.13
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Solution
The fourth proportional to 11,105,353.67, 15,326,168.96 and 6,211,031.13 is: 8,571,659.71
Step by Step Solution
- Step 1: Write the proportion equation
11,105,353.67 : 15,326,168.96 = 6,211,031.13 : x - Step 2: Convert to fraction form
11,105,353.67/15,326,168.96 = 6,211,031.13/x - Step 3: Cross multiply
11,105,353.67x = 15,326,168.96 × 6,211,031.13 - Step 4: Simplify right side
11,105,353.67x = 95,191,312,529,727.30 - Step 5: Solve for x
x = 95,191,312,529,727.30/11,105,353.67 - Step 6: Final answer
x = 8,571,659.71
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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.