Finding the Fourth Proportional to 46,638,241.48, 69,954,838.78 and 14,290,237.68
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Solution
The fourth proportional to 46,638,241.48, 69,954,838.78 and 14,290,237.68 is: 21,434,583.32
Step by Step Solution
- Step 1: Write the proportion equation
46,638,241.48 : 69,954,838.78 = 14,290,237.68 : x - Step 2: Convert to fraction form
46,638,241.48/69,954,838.78 = 14,290,237.68/x - Step 3: Cross multiply
46,638,241.48x = 69,954,838.78 × 14,290,237.68 - Step 4: Simplify right side
46,638,241.48x = 999,671,273,032,281.25 - Step 5: Solve for x
x = 999,671,273,032,281.25/46,638,241.48 - Step 6: Final answer
x = 21,434,583.32
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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.