Finding the Fourth Proportional to 16,623,936.09, 22,940,814.51 and 9,281,894.21
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Solution
The fourth proportional to 16,623,936.09, 22,940,814.51 and 9,281,894.21 is: 12,808,892.68
Step by Step Solution
- Step 1: Write the proportion equation
16,623,936.09 : 22,940,814.51 = 9,281,894.21 : x - Step 2: Convert to fraction form
16,623,936.09/22,940,814.51 = 9,281,894.21/x - Step 3: Cross multiply
16,623,936.09x = 22,940,814.51 × 9,281,894.21 - Step 4: Simplify right side
16,623,936.09x = 212,934,213,258,348.94 - Step 5: Solve for x
x = 212,934,213,258,348.94/16,623,936.09 - Step 6: Final answer
x = 12,808,892.68
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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.