Finding the Fourth Proportional to 19,418,091.46, 29,131,879.46 and 6,464,217.08
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Solution
The fourth proportional to 19,418,091.46, 29,131,879.46 and 6,464,217.08 is: 9,697,904.31
Step by Step Solution
- Step 1: Write the proportion equation
19,418,091.46 : 29,131,879.46 = 6,464,217.08 : x - Step 2: Convert to fraction form
19,418,091.46/29,131,879.46 = 6,464,217.08/x - Step 3: Cross multiply
19,418,091.46x = 29,131,879.46 × 6,464,217.08 - Step 4: Simplify right side
19,418,091.46x = 188,314,792,777,833.19 - Step 5: Solve for x
x = 188,314,792,777,833.19/19,418,091.46 - Step 6: Final answer
x = 9,697,904.31
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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.