Finding the Fourth Proportional to 15,440,422.44, 23,153,905.86 and 5,203,373.46
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Solution
The fourth proportional to 15,440,422.44, 23,153,905.86 and 5,203,373.46 is: 7,802,792.94
Step by Step Solution
- Step 1: Write the proportion equation
15,440,422.44 : 23,153,905.86 = 5,203,373.46 : x - Step 2: Convert to fraction form
15,440,422.44/23,153,905.86 = 5,203,373.46/x - Step 3: Cross multiply
15,440,422.44x = 23,153,905.86 × 5,203,373.46 - Step 4: Simplify right side
15,440,422.44x = 120,478,419,247,262.47 - Step 5: Solve for x
x = 120,478,419,247,262.47/15,440,422.44 - Step 6: Final answer
x = 7,802,792.94
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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.