Finding the Fourth Proportional to 11,238,469.69, 15,509,135.46 and 6,081,831.49
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Solution
The fourth proportional to 11,238,469.69, 15,509,135.46 and 6,081,831.49 is: 8,392,953.05
Step by Step Solution
- Step 1: Write the proportion equation
11,238,469.69 : 15,509,135.46 = 6,081,831.49 : x - Step 2: Convert to fraction form
11,238,469.69/15,509,135.46 = 6,081,831.49/x - Step 3: Cross multiply
11,238,469.69x = 15,509,135.46 × 6,081,831.49 - Step 4: Simplify right side
11,238,469.69x = 94,323,948,423,303.64 - Step 5: Solve for x
x = 94,323,948,423,303.64/11,238,469.69 - Step 6: Final answer
x = 8,392,953.05
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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.