Finding the Fourth Proportional to 7,088,958.72, 9,782,637.84 and 4,033,107.36
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Solution
The fourth proportional to 7,088,958.72, 9,782,637.84 and 4,033,107.36 is: 5,565,616.93
Step by Step Solution
- Step 1: Write the proportion equation
7,088,958.72 : 9,782,637.84 = 4,033,107.36 : x - Step 2: Convert to fraction form
7,088,958.72/9,782,637.84 = 4,033,107.36/x - Step 3: Cross multiply
7,088,958.72x = 9,782,637.84 × 4,033,107.36 - Step 4: Simplify right side
7,088,958.72x = 39,454,428,672,718.50 - Step 5: Solve for x
x = 39,454,428,672,718.50/7,088,958.72 - Step 6: Final answer
x = 5,565,616.93
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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.