Finding the Fourth Proportional to 10,528,701.12, 14,529,612.48 and 5,699,805.12
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Solution
The fourth proportional to 10,528,701.12, 14,529,612.48 and 5,699,805.12 is: 7,865,733.74
Step by Step Solution
- Step 1: Write the proportion equation
10,528,701.12 : 14,529,612.48 = 5,699,805.12 : x - Step 2: Convert to fraction form
10,528,701.12/14,529,612.48 = 5,699,805.12/x - Step 3: Cross multiply
10,528,701.12x = 14,529,612.48 × 5,699,805.12 - Step 4: Simplify right side
10,528,701.12x = 82,815,959,605,119.91 - Step 5: Solve for x
x = 82,815,959,605,119.91/10,528,701.12 - Step 6: Final answer
x = 7,865,733.74
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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.