Finding the Fourth Proportional to 11,528,277.68, 15,909,846.72 and 6,371,528.24
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Solution
The fourth proportional to 11,528,277.68, 15,909,846.72 and 6,371,528.24 is: 8,793,164.12
Step by Step Solution
- Step 1: Write the proportion equation
11,528,277.68 : 15,909,846.72 = 6,371,528.24 : x - Step 2: Convert to fraction form
11,528,277.68/15,909,846.72 = 6,371,528.24/x - Step 3: Cross multiply
11,528,277.68x = 15,909,846.72 × 6,371,528.24 - Step 4: Simplify right side
11,528,277.68x = 101,370,037,670,551.38 - Step 5: Solve for x
x = 101,370,037,670,551.38/11,528,277.68 - Step 6: Final answer
x = 8,793,164.12
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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.