Finding the Fourth Proportional to 11,528,287.68, 15,909,860.52 and 6,371,538.24
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Solution
The fourth proportional to 11,528,287.68, 15,909,860.52 and 6,371,538.24 is: 8,793,177.92
Step by Step Solution
- Step 1: Write the proportion equation
11,528,287.68 : 15,909,860.52 = 6,371,538.24 : x - Step 2: Convert to fraction form
11,528,287.68/15,909,860.52 = 6,371,538.24/x - Step 3: Cross multiply
11,528,287.68x = 15,909,860.52 × 6,371,538.24 - Step 4: Simplify right side
11,528,287.68x = 101,370,284,696,246.28 - Step 5: Solve for x
x = 101,370,284,696,246.28/11,528,287.68 - Step 6: Final answer
x = 8,793,177.92
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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.