Finding the Fourth Proportional to 26,245,325.80, 39,367,988.70 and 21,993,797.80
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Solution
The fourth proportional to 26,245,325.80, 39,367,988.70 and 21,993,797.80 is: 32,990,696.70
Step by Step Solution
- Step 1: Write the proportion equation
26,245,325.80 : 39,367,988.70 = 21,993,797.80 : x - Step 2: Convert to fraction form
26,245,325.80/39,367,988.70 = 21,993,797.80/x - Step 3: Cross multiply
26,245,325.80x = 39,367,988.70 × 21,993,797.80 - Step 4: Simplify right side
26,245,325.80x = 865,851,583,260,485 - Step 5: Solve for x
x = 865,851,583,260,485/26,245,325.80 - Step 6: Final answer
x = 32,990,696.70
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1.5x scale
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.