Finding the Fourth Proportional to 11,403,286.16, 15,736,537.86 and 6,246,831.02
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Solution
The fourth proportional to 11,403,286.16, 15,736,537.86 and 6,246,831.02 is: 8,620,628.43
Step by Step Solution
- Step 1: Write the proportion equation
11,403,286.16 : 15,736,537.86 = 6,246,831.02 : x - Step 2: Convert to fraction form
11,403,286.16/15,736,537.86 = 6,246,831.02/x - Step 3: Cross multiply
11,403,286.16x = 15,736,537.86 × 6,246,831.02 - Step 4: Simplify right side
11,403,286.16x = 98,303,492,851,252.41 - Step 5: Solve for x
x = 98,303,492,851,252.41/11,403,286.16 - Step 6: Final answer
x = 8,620,628.43
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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.