Finding the Fourth Proportional to 11,215,265.40, 16,822,899.99 and 3,539,686.50
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Solution
The fourth proportional to 11,215,265.40, 16,822,899.99 and 3,539,686.50 is: 5,309,530.35
Step by Step Solution
- Step 1: Write the proportion equation
11,215,265.40 : 16,822,899.99 = 3,539,686.50 : x - Step 2: Convert to fraction form
11,215,265.40/16,822,899.99 = 3,539,686.50/x - Step 3: Cross multiply
11,215,265.40x = 16,822,899.99 × 3,539,686.50 - Step 4: Simplify right side
11,215,265.40x = 59,547,791,985,453.13 - Step 5: Solve for x
x = 59,547,791,985,453.13/11,215,265.40 - Step 6: Final answer
x = 5,309,530.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.