Finding the Fourth Proportional to 18,017,718.24, 24,864,143.88 and 9,757,713.58
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Solution
The fourth proportional to 18,017,718.24, 24,864,143.88 and 9,757,713.58 is: 13,465,478.32
Step by Step Solution
- Step 1: Write the proportion equation
18,017,718.24 : 24,864,143.88 = 9,757,713.58 : x - Step 2: Convert to fraction form
18,017,718.24/24,864,143.88 = 9,757,713.58/x - Step 3: Cross multiply
18,017,718.24x = 24,864,143.88 × 9,757,713.58 - Step 4: Simplify right side
18,017,718.24x = 242,617,194,392,949.88 - Step 5: Solve for x
x = 242,617,194,392,949.88/18,017,718.24 - Step 6: Final answer
x = 13,465,478.32
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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.