Finding the Fourth Proportional to 18,145,368.30, 27,218,052.45 and 16,465,752.30
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Solution
The fourth proportional to 18,145,368.30, 27,218,052.45 and 16,465,752.30 is: 24,698,628.45
Step by Step Solution
- Step 1: Write the proportion equation
18,145,368.30 : 27,218,052.45 = 16,465,752.30 : x - Step 2: Convert to fraction form
18,145,368.30/27,218,052.45 = 16,465,752.30/x - Step 3: Cross multiply
18,145,368.30x = 27,218,052.45 × 16,465,752.30 - Step 4: Simplify right side
18,145,368.30x = 448,165,709,730,108.12 - Step 5: Solve for x
x = 448,165,709,730,108.12/18,145,368.30 - Step 6: Final answer
x = 24,698,628.45
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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.