Finding the Fourth Proportional to 25,163,145.68, 37,755,648.28 and 13,656,742.19
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Solution
The fourth proportional to 25,163,145.68, 37,755,648.28 and 13,656,742.19 is: 20,491,045.17
Step by Step Solution
- Step 1: Write the proportion equation
25,163,145.68 : 37,755,648.28 = 13,656,742.19 : x - Step 2: Convert to fraction form
25,163,145.68/37,755,648.28 = 13,656,742.19/x - Step 3: Cross multiply
25,163,145.68x = 37,755,648.28 × 13,656,742.19 - Step 4: Simplify right side
25,163,145.68x = 515,619,154,688,549.25 - Step 5: Solve for x
x = 515,619,154,688,549.25/25,163,145.68 - Step 6: Final answer
x = 20,491,045.17
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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.