Finding the Fourth Proportional to 25,999,401.68, 35,878,732.70 and 14,396,716.05
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Solution
The fourth proportional to 25,999,401.68, 35,878,732.70 and 14,396,716.05 is: 19,867,223.60
Step by Step Solution
- Step 1: Write the proportion equation
25,999,401.68 : 35,878,732.70 = 14,396,716.05 : x - Step 2: Convert to fraction form
25,999,401.68/35,878,732.70 = 14,396,716.05/x - Step 3: Cross multiply
25,999,401.68x = 35,878,732.70 × 14,396,716.05 - Step 4: Simplify right side
25,999,401.68x = 516,535,926,709,221.06 - Step 5: Solve for x
x = 516,535,926,709,221.06/25,999,401.68 - Step 6: Final answer
x = 19,867,223.60
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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.