Finding the Fourth Proportional to 32,701,507.36, 45,125,919.84 and 19,641,005.44
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Solution
The fourth proportional to 32,701,507.36, 45,125,919.84 and 19,641,005.44 is: 27,103,289.99
Step by Step Solution
- Step 1: Write the proportion equation
32,701,507.36 : 45,125,919.84 = 19,641,005.44 : x - Step 2: Convert to fraction form
32,701,507.36/45,125,919.84 = 19,641,005.44/x - Step 3: Cross multiply
32,701,507.36x = 45,125,919.84 × 19,641,005.44 - Step 4: Simplify right side
32,701,507.36x = 886,318,437,062,444 - Step 5: Solve for x
x = 886,318,437,062,444/32,701,507.36 - Step 6: Final answer
x = 27,103,289.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.