Finding the Fourth Proportional to 9,708,593.99, 13,398,181.51 and 5,298,561.11
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Solution
The fourth proportional to 9,708,593.99, 13,398,181.51 and 5,298,561.11 is: 7,312,189.96
Step by Step Solution
- Step 1: Write the proportion equation
9,708,593.99 : 13,398,181.51 = 5,298,561.11 : x - Step 2: Convert to fraction form
9,708,593.99/13,398,181.51 = 5,298,561.11/x - Step 3: Cross multiply
9,708,593.99x = 13,398,181.51 × 5,298,561.11 - Step 4: Simplify right side
9,708,593.99x = 70,991,083,467,114.28 - Step 5: Solve for x
x = 70,991,083,467,114.28/9,708,593.99 - Step 6: Final answer
x = 7,312,189.96
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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.