Finding the Fourth Proportional to 11,309,976.38, 15,607,927.16 and 6,153,342.02
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Solution
The fourth proportional to 11,309,976.38, 15,607,927.16 and 6,153,342.02 is: 8,491,698.90
Step by Step Solution
- Step 1: Write the proportion equation
11,309,976.38 : 15,607,927.16 = 6,153,342.02 : x - Step 2: Convert to fraction form
11,309,976.38/15,607,927.16 = 6,153,342.02/x - Step 3: Cross multiply
11,309,976.38x = 15,607,927.16 × 6,153,342.02 - Step 4: Simplify right side
11,309,976.38x = 96,040,914,038,727.25 - Step 5: Solve for x
x = 96,040,914,038,727.25/11,309,976.38 - Step 6: Final answer
x = 8,491,698.90
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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.