Finding the Fourth Proportional to 34,868,509.57, 48,118,986.06 and 19,189,339.33
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Solution
The fourth proportional to 34,868,509.57, 48,118,986.06 and 19,189,339.33 is: 26,481,531.99
Step by Step Solution
- Step 1: Write the proportion equation
34,868,509.57 : 48,118,986.06 = 19,189,339.33 : x - Step 2: Convert to fraction form
34,868,509.57/48,118,986.06 = 19,189,339.33/x - Step 3: Cross multiply
34,868,509.57x = 48,118,986.06 × 19,189,339.33 - Step 4: Simplify right side
34,868,509.57x = 923,371,551,720,879.75 - Step 5: Solve for x
x = 923,371,551,720,879.75/34,868,509.57 - Step 6: Final answer
x = 26,481,531.99
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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.