Finding the Fourth Proportional to 9,547,831.56, 13,176,286.20 and 5,197,198.44
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Solution
The fourth proportional to 9,547,831.56, 13,176,286.20 and 5,197,198.44 is: 7,172,285.52
Step by Step Solution
- Step 1: Write the proportion equation
9,547,831.56 : 13,176,286.20 = 5,197,198.44 : x - Step 2: Convert to fraction form
9,547,831.56/13,176,286.20 = 5,197,198.44/x - Step 3: Cross multiply
9,547,831.56x = 13,176,286.20 × 5,197,198.44 - Step 4: Simplify right side
9,547,831.56x = 68,479,774,083,633.53 - Step 5: Solve for x
x = 68,479,774,083,633.53/9,547,831.56 - Step 6: Final answer
x = 7,172,285.52
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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.