Finding the Fourth Proportional to 16,170,935.13, 22,315,965.35 and 8,828,936.10
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Solution
The fourth proportional to 16,170,935.13, 22,315,965.35 and 8,828,936.10 is: 12,183,972.69
Step by Step Solution
- Step 1: Write the proportion equation
16,170,935.13 : 22,315,965.35 = 8,828,936.10 : x - Step 2: Convert to fraction form
16,170,935.13/22,315,965.35 = 8,828,936.10/x - Step 3: Cross multiply
16,170,935.13x = 22,315,965.35 × 8,828,936.10 - Step 4: Simplify right side
16,170,935.13x = 197,026,232,040,819.44 - Step 5: Solve for x
x = 197,026,232,040,819.44/16,170,935.13 - Step 6: Final answer
x = 12,183,972.69
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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.