Finding the Fourth Proportional to 45,644,217.95, 62,990,544.09 and 25,017,716.99
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Solution
The fourth proportional to 45,644,217.95, 62,990,544.09 and 25,017,716.99 is: 34,525,284.38
Step by Step Solution
- Step 1: Write the proportion equation
45,644,217.95 : 62,990,544.09 = 25,017,716.99 : x - Step 2: Convert to fraction form
45,644,217.95/62,990,544.09 = 25,017,716.99/x - Step 3: Cross multiply
45,644,217.95x = 62,990,544.09 × 25,017,716.99 - Step 4: Simplify right side
45,644,217.95x = 1,575,879,604,774,784.50 - Step 5: Solve for x
x = 1,575,879,604,774,784.50/45,644,217.95 - Step 6: Final answer
x = 34,525,284.38
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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.