Finding the Fourth Proportional to 43,565,470.54, 65,355,143.04 and 14,420,374.24
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Solution
The fourth proportional to 43,565,470.54, 65,355,143.04 and 14,420,374.24 is: 21,632,857.62
Step by Step Solution
- Step 1: Write the proportion equation
43,565,470.54 : 65,355,143.04 = 14,420,374.24 : x - Step 2: Convert to fraction form
43,565,470.54/65,355,143.04 = 14,420,374.24/x - Step 3: Cross multiply
43,565,470.54x = 65,355,143.04 × 14,420,374.24 - Step 4: Simplify right side
43,565,470.54x = 942,445,621,145,531.25 - Step 5: Solve for x
x = 942,445,621,145,531.25/43,565,470.54 - Step 6: Final answer
x = 21,632,857.62
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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.