Finding the Fourth Proportional to 16,138,320.69, 22,270,738.68 and 8,796,153.45
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Solution
The fourth proportional to 16,138,320.69, 22,270,738.68 and 8,796,153.45 is: 12,138,613.34
Step by Step Solution
- Step 1: Write the proportion equation
16,138,320.69 : 22,270,738.68 = 8,796,153.45 : x - Step 2: Convert to fraction form
16,138,320.69/22,270,738.68 = 8,796,153.45/x - Step 3: Cross multiply
16,138,320.69x = 22,270,738.68 × 8,796,153.45 - Step 4: Simplify right side
16,138,320.69x = 195,896,834,874,130.44 - Step 5: Solve for x
x = 195,896,834,874,130.44/16,138,320.69 - Step 6: Final answer
x = 12,138,613.34
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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.