Finding the Fourth Proportional to 11,342,777.10, 15,652,841.67 and 6,185,831.10
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Solution
The fourth proportional to 11,342,777.10, 15,652,841.67 and 6,185,831.10 is: 8,536,342.90
Step by Step Solution
- Step 1: Write the proportion equation
11,342,777.10 : 15,652,841.67 = 6,185,831.10 : x - Step 2: Convert to fraction form
11,342,777.10/15,652,841.67 = 6,185,831.10/x - Step 3: Cross multiply
11,342,777.10x = 15,652,841.67 × 6,185,831.10 - Step 4: Simplify right side
11,342,777.10x = 96,825,834,805,661.94 - Step 5: Solve for x
x = 96,825,834,805,661.94/11,342,777.10 - Step 6: Final answer
x = 8,536,342.90
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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.