Finding the Fourth Proportional to 14,604,786.12, 20,155,102.79 and 8,326,242.03
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Solution
The fourth proportional to 14,604,786.12, 20,155,102.79 and 8,326,242.03 is: 11,490,497.88
Step by Step Solution
- Step 1: Write the proportion equation
14,604,786.12 : 20,155,102.79 = 8,326,242.03 : x - Step 2: Convert to fraction form
14,604,786.12/20,155,102.79 = 8,326,242.03/x - Step 3: Cross multiply
14,604,786.12x = 20,155,102.79 × 8,326,242.03 - Step 4: Simplify right side
14,604,786.12x = 167,816,263,969,068.25 - Step 5: Solve for x
x = 167,816,263,969,068.25/14,604,786.12 - Step 6: Final answer
x = 11,490,497.88
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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.