Finding the Fourth Proportional to 46,585,847.70, 69,878,115.45 and 21,026,816.10
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Solution
The fourth proportional to 46,585,847.70, 69,878,115.45 and 21,026,816.10 is: 31,539,928.02
Step by Step Solution
- Step 1: Write the proportion equation
46,585,847.70 : 69,878,115.45 = 21,026,816.10 : x - Step 2: Convert to fraction form
46,585,847.70/69,878,115.45 = 21,026,816.10/x - Step 3: Cross multiply
46,585,847.70x = 69,878,115.45 × 21,026,816.10 - Step 4: Simplify right side
46,585,847.70x = 1,469,314,282,981,719 - Step 5: Solve for x
x = 1,469,314,282,981,719/46,585,847.70 - Step 6: Final answer
x = 31,539,928.02
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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.