Finding the Fourth Proportional to 11,428,860.97, 15,771,308.39 and 6,272,120.17
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Solution
The fourth proportional to 11,428,860.97, 15,771,308.39 and 6,272,120.17 is: 8,655,240.60
Step by Step Solution
- Step 1: Write the proportion equation
11,428,860.97 : 15,771,308.39 = 6,272,120.17 : x - Step 2: Convert to fraction form
11,428,860.97/15,771,308.39 = 6,272,120.17/x - Step 3: Cross multiply
11,428,860.97x = 15,771,308.39 × 6,272,120.17 - Step 4: Simplify right side
11,428,860.97x = 98,919,541,460,209.23 - Step 5: Solve for x
x = 98,919,541,460,209.23/11,428,860.97 - Step 6: Final answer
x = 8,655,240.60
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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.