Finding the Fourth Proportional to 27,738,368.96, 38,282,182.08 and 16,136,421.44
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Solution
The fourth proportional to 27,738,368.96, 38,282,182.08 and 16,136,421.44 is: 22,270,142.29
Step by Step Solution
- Step 1: Write the proportion equation
27,738,368.96 : 38,282,182.08 = 16,136,421.44 : x - Step 2: Convert to fraction form
27,738,368.96/38,282,182.08 = 16,136,421.44/x - Step 3: Cross multiply
27,738,368.96x = 38,282,182.08 × 16,136,421.44 - Step 4: Simplify right side
27,738,368.96x = 617,737,423,685,695.75 - Step 5: Solve for x
x = 617,737,423,685,695.75/27,738,368.96 - Step 6: Final answer
x = 22,270,142.29
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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.