Finding the Fourth Proportional to 9,474,831.33, 14,218,554.21 and 5,157,971.26
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Solution
The fourth proportional to 9,474,831.33, 14,218,554.21 and 5,157,971.26 is: 7,740,390.45
Step by Step Solution
- Step 1: Write the proportion equation
9,474,831.33 : 14,218,554.21 = 5,157,971.26 : x - Step 2: Convert to fraction form
9,474,831.33/14,218,554.21 = 5,157,971.26/x - Step 3: Cross multiply
9,474,831.33x = 14,218,554.21 × 5,157,971.26 - Step 4: Simplify right side
9,474,831.33x = 73,338,893,919,043.23 - Step 5: Solve for x
x = 73,338,893,919,043.23/9,474,831.33 - Step 6: Final answer
x = 7,740,390.45
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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.