Finding the Fourth Proportional to 17,465,645.80, 26,198,468.70 and 13,214,117.80
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Solution
The fourth proportional to 17,465,645.80, 26,198,468.70 and 13,214,117.80 is: 19,821,176.70
Step by Step Solution
- Step 1: Write the proportion equation
17,465,645.80 : 26,198,468.70 = 13,214,117.80 : x - Step 2: Convert to fraction form
17,465,645.80/26,198,468.70 = 13,214,117.80/x - Step 3: Cross multiply
17,465,645.80x = 26,198,468.70 × 13,214,117.80 - Step 4: Simplify right side
17,465,645.80x = 346,189,651,581,412.88 - Step 5: Solve for x
x = 346,189,651,581,412.88/17,465,645.80 - Step 6: Final answer
x = 19,821,176.70
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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.