Finding the Fourth Proportional to 7,993,926, 11,024,646.12 and 5,666,214.42
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Solution
The fourth proportional to 7,993,926, 11,024,646.12 and 5,666,214.42 is: 7,814,434.21
Step by Step Solution
- Step 1: Write the proportion equation
7,993,926 : 11,024,646.12 = 5,666,214.42 : x - Step 2: Convert to fraction form
7,993,926/11,024,646.12 = 5,666,214.42/x - Step 3: Cross multiply
7,993,926x = 11,024,646.12 × 5,666,214.42 - Step 4: Simplify right side
7,993,926x = 62,468,008,820,541.05 - Step 5: Solve for x
x = 62,468,008,820,541.05/7,993,926 - Step 6: Final answer
x = 7,814,434.21
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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.