Finding the Fourth Proportional to 7,670,201.90, 10,576,295.66 and 6,270,394.52
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Solution
The fourth proportional to 7,670,201.90, 10,576,295.66 and 6,270,394.52 is: 8,646,127.86
Step by Step Solution
- Step 1: Write the proportion equation
7,670,201.90 : 10,576,295.66 = 6,270,394.52 : x - Step 2: Convert to fraction form
7,670,201.90/10,576,295.66 = 6,270,394.52/x - Step 3: Cross multiply
7,670,201.90x = 10,576,295.66 × 6,270,394.52 - Step 4: Simplify right side
7,670,201.90x = 66,317,546,348,363.78 - Step 5: Solve for x
x = 66,317,546,348,363.78/7,670,201.90 - Step 6: Final answer
x = 8,646,127.86
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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.