Finding the Fourth Proportional to 46,578,381.44, 69,881,268.24 and 13,789,783.94
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Solution
The fourth proportional to 46,578,381.44, 69,881,268.24 and 13,789,783.94 is: 20,688,730.71
Step by Step Solution
- Step 1: Write the proportion equation
46,578,381.44 : 69,881,268.24 = 13,789,783.94 : x - Step 2: Convert to fraction form
46,578,381.44/69,881,268.24 = 13,789,783.94/x - Step 3: Cross multiply
46,578,381.44x = 69,881,268.24 × 13,789,783.94 - Step 4: Simplify right side
46,578,381.44x = 963,647,590,482,784 - Step 5: Solve for x
x = 963,647,590,482,784/46,578,381.44 - Step 6: Final answer
x = 20,688,730.71
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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.