Finding the Fourth Proportional to 46,652,419.20, 69,973,903.98 and 12,577,209.60
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Solution
The fourth proportional to 46,652,419.20, 69,973,903.98 and 12,577,209.60 is: 18,864,540.62
Step by Step Solution
- Step 1: Write the proportion equation
46,652,419.20 : 69,973,903.98 = 12,577,209.60 : x - Step 2: Convert to fraction form
46,652,419.20/69,973,903.98 = 12,577,209.60/x - Step 3: Cross multiply
46,652,419.20x = 69,973,903.98 × 12,577,209.60 - Step 4: Simplify right side
46,652,419.20x = 880,076,456,886,734.25 - Step 5: Solve for x
x = 880,076,456,886,734.25/46,652,419.20 - Step 6: Final answer
x = 18,864,540.62
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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.