Finding the Fourth Proportional to 11,681,014.40, 16,119,628.24 and 6,524,451.20
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Solution
The fourth proportional to 11,681,014.40, 16,119,628.24 and 6,524,451.20 is: 9,003,646.79
Step by Step Solution
- Step 1: Write the proportion equation
11,681,014.40 : 16,119,628.24 = 6,524,451.20 : x - Step 2: Convert to fraction form
11,681,014.40/16,119,628.24 = 6,524,451.20/x - Step 3: Cross multiply
11,681,014.40x = 16,119,628.24 × 6,524,451.20 - Step 4: Simplify right side
11,681,014.40x = 105,171,727,814,021.89 - Step 5: Solve for x
x = 105,171,727,814,021.89/11,681,014.40 - Step 6: Final answer
x = 9,003,646.79
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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.