Finding the Fourth Proportional to 18,006,478.32, 24,851,305.68 and 10,269,747.12
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Solution
The fourth proportional to 18,006,478.32, 24,851,305.68 and 10,269,747.12 is: 14,173,600.21
Step by Step Solution
- Step 1: Write the proportion equation
18,006,478.32 : 24,851,305.68 = 10,269,747.12 : x - Step 2: Convert to fraction form
18,006,478.32/24,851,305.68 = 10,269,747.12/x - Step 3: Cross multiply
18,006,478.32x = 24,851,305.68 × 10,269,747.12 - Step 4: Simplify right side
18,006,478.32x = 255,216,624,935,419.62 - Step 5: Solve for x
x = 255,216,624,935,419.62/18,006,478.32 - Step 6: Final answer
x = 14,173,600.21
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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.