Finding the Fourth Proportional to 7,272,440.53, 10,035,988.37 and 4,373,491.75
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Solution
The fourth proportional to 7,272,440.53, 10,035,988.37 and 4,373,491.75 is: 6,035,430.90
Step by Step Solution
- Step 1: Write the proportion equation
7,272,440.53 : 10,035,988.37 = 4,373,491.75 : x - Step 2: Convert to fraction form
7,272,440.53/10,035,988.37 = 4,373,491.75/x - Step 3: Cross multiply
7,272,440.53x = 10,035,988.37 × 4,373,491.75 - Step 4: Simplify right side
7,272,440.53x = 43,892,312,317,423.49 - Step 5: Solve for x
x = 43,892,312,317,423.49/7,272,440.53 - Step 6: Final answer
x = 6,035,430.90
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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.