Finding the Fourth Proportional to 16,209,020.40, 22,369,000.68 and 9,240,728.40
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Solution
The fourth proportional to 16,209,020.40, 22,369,000.68 and 9,240,728.40 is: 12,752,520.19
Step by Step Solution
- Step 1: Write the proportion equation
16,209,020.40 : 22,369,000.68 = 9,240,728.40 : x - Step 2: Convert to fraction form
16,209,020.40/22,369,000.68 = 9,240,728.40/x - Step 3: Cross multiply
16,209,020.40x = 22,369,000.68 × 9,240,728.40 - Step 4: Simplify right side
16,209,020.40x = 206,705,859,863,295.31 - Step 5: Solve for x
x = 206,705,859,863,295.31/16,209,020.40 - Step 6: Final answer
x = 12,752,520.19
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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.