Finding the Fourth Proportional to 8,434,762.05, 11,639,987.42 and 4,713,593.01
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Solution
The fourth proportional to 8,434,762.05, 11,639,987.42 and 4,713,593.01 is: 6,504,767.18
Step by Step Solution
- Step 1: Write the proportion equation
8,434,762.05 : 11,639,987.42 = 4,713,593.01 : x - Step 2: Convert to fraction form
8,434,762.05/11,639,987.42 = 4,713,593.01/x - Step 3: Cross multiply
8,434,762.05x = 11,639,987.42 × 4,713,593.01 - Step 4: Simplify right side
8,434,762.05x = 54,866,163,315,831.96 - Step 5: Solve for x
x = 54,866,163,315,831.96/8,434,762.05 - Step 6: Final answer
x = 6,504,767.18
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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.