Finding the Fourth Proportional to 16,170,975.51, 22,315,829.61 and 8,828,808.63
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Solution
The fourth proportional to 16,170,975.51, 22,315,829.61 and 8,828,808.63 is: 12,183,692.25
Step by Step Solution
- Step 1: Write the proportion equation
16,170,975.51 : 22,315,829.61 = 8,828,808.63 : x - Step 2: Convert to fraction form
16,170,975.51/22,315,829.61 = 8,828,808.63/x - Step 3: Cross multiply
16,170,975.51x = 22,315,829.61 × 8,828,808.63 - Step 4: Simplify right side
16,170,975.51x = 197,022,189,046,377.56 - Step 5: Solve for x
x = 197,022,189,046,377.56/16,170,975.51 - Step 6: Final answer
x = 12,183,692.25
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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.