Finding the Fourth Proportional to 20,062,129.67, 27,694,214.04 and 13,544,587.18
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Solution
The fourth proportional to 20,062,129.67, 27,694,214.04 and 13,544,587.18 is: 18,697,252.12
Step by Step Solution
- Step 1: Write the proportion equation
20,062,129.67 : 27,694,214.04 = 13,544,587.18 : x - Step 2: Convert to fraction form
20,062,129.67/27,694,214.04 = 13,544,587.18/x - Step 3: Cross multiply
20,062,129.67x = 27,694,214.04 × 13,544,587.18 - Step 4: Simplify right side
20,062,129.67x = 375,106,696,446,360 - Step 5: Solve for x
x = 375,106,696,446,360/20,062,129.67 - Step 6: Final answer
x = 18,697,252.12
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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.