Finding the Fourth Proportional to 25,999,289.62, 35,878,578.53 and 14,396,603.99
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Solution
The fourth proportional to 25,999,289.62, 35,878,578.53 and 14,396,603.99 is: 19,867,069.23
Step by Step Solution
- Step 1: Write the proportion equation
25,999,289.62 : 35,878,578.53 = 14,396,603.99 : x - Step 2: Convert to fraction form
25,999,289.62/35,878,578.53 = 14,396,603.99/x - Step 3: Cross multiply
25,999,289.62x = 35,878,578.53 × 14,396,603.99 - Step 4: Simplify right side
25,999,289.62x = 516,529,686,831,851.12 - Step 5: Solve for x
x = 516,529,686,831,851.12/25,999,289.62 - Step 6: Final answer
x = 19,867,069.23
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1.5x scale
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.