Finding the Fourth Proportional to 35,532,259.20, 53,312,385.60 and 13,963,190.40
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Solution
The fourth proportional to 35,532,259.20, 53,312,385.60 and 13,963,190.40 is: 20,950,285.95
Step by Step Solution
- Step 1: Write the proportion equation
35,532,259.20 : 53,312,385.60 = 13,963,190.40 : x - Step 2: Convert to fraction form
35,532,259.20/53,312,385.60 = 13,963,190.40/x - Step 3: Cross multiply
35,532,259.20x = 53,312,385.60 × 13,963,190.40 - Step 4: Simplify right side
35,532,259.20x = 744,410,990,811,018.25 - Step 5: Solve for x
x = 744,410,990,811,018.25/35,532,259.20 - Step 6: Final answer
x = 20,950,285.95
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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.