Finding the Fourth Proportional to 10,024,220.74, 13,833,438.09 and 5,440,542.18
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Solution
The fourth proportional to 10,024,220.74, 13,833,438.09 and 5,440,542.18 is: 7,507,955.52
Step by Step Solution
- Step 1: Write the proportion equation
10,024,220.74 : 13,833,438.09 = 5,440,542.18 : x - Step 2: Convert to fraction form
10,024,220.74/13,833,438.09 = 5,440,542.18/x - Step 3: Cross multiply
10,024,220.74x = 13,833,438.09 × 5,440,542.18 - Step 4: Simplify right side
10,024,220.74x = 75,261,403,423,063.62 - Step 5: Solve for x
x = 75,261,403,423,063.62/10,024,220.74 - Step 6: Final answer
x = 7,507,955.52
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1.5x scale
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.