Finding the Fourth Proportional to 22,730,843.36, 34,109,716.80 and 8,363,999.84
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Solution
The fourth proportional to 22,730,843.36, 34,109,716.80 and 8,363,999.84 is: 12,550,949.45
Step by Step Solution
- Step 1: Write the proportion equation
22,730,843.36 : 34,109,716.80 = 8,363,999.84 : x - Step 2: Convert to fraction form
22,730,843.36/34,109,716.80 = 8,363,999.84/x - Step 3: Cross multiply
22,730,843.36x = 34,109,716.80 × 8,363,999.84 - Step 4: Simplify right side
22,730,843.36x = 285,293,665,857,645.31 - Step 5: Solve for x
x = 285,293,665,857,645.31/22,730,843.36 - Step 6: Final answer
x = 12,550,949.45
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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.