Finding the Fourth Proportional to 11,112,685.44, 16,657,661.28 and 7,518,831.84
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Solution
The fourth proportional to 11,112,685.44, 16,657,661.28 and 7,518,831.84 is: 11,270,556.94
Step by Step Solution
- Step 1: Write the proportion equation
11,112,685.44 : 16,657,661.28 = 7,518,831.84 : x - Step 2: Convert to fraction form
11,112,685.44/16,657,661.28 = 7,518,831.84/x - Step 3: Cross multiply
11,112,685.44x = 16,657,661.28 × 7,518,831.84 - Step 4: Simplify right side
11,112,685.44x = 125,246,154,011,999.14 - Step 5: Solve for x
x = 125,246,154,011,999.14/11,112,685.44 - Step 6: Final answer
x = 11,270,556.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.