Finding the Fourth Proportional to 12,008,081.08, 16,571,129.99 and 6,501,455.21
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Solution
The fourth proportional to 12,008,081.08, 16,571,129.99 and 6,501,455.21 is: 8,971,996.33
Step by Step Solution
- Step 1: Write the proportion equation
12,008,081.08 : 16,571,129.99 = 6,501,455.21 : x - Step 2: Convert to fraction form
12,008,081.08/16,571,129.99 = 6,501,455.21/x - Step 3: Cross multiply
12,008,081.08x = 16,571,129.99 × 6,501,455.21 - Step 4: Simplify right side
12,008,081.08x = 107,736,459,417,993.30 - Step 5: Solve for x
x = 107,736,459,417,993.30/12,008,081.08 - Step 6: Final answer
x = 8,971,996.33
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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.