Finding the Fourth Proportional to 14,274,021.51, 19,698,169.61 and 7,747,652.32
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Solution
The fourth proportional to 14,274,021.51, 19,698,169.61 and 7,747,652.32 is: 10,691,771.02
Step by Step Solution
- Step 1: Write the proportion equation
14,274,021.51 : 19,698,169.61 = 7,747,652.32 : x - Step 2: Convert to fraction form
14,274,021.51/19,698,169.61 = 7,747,652.32/x - Step 3: Cross multiply
14,274,021.51x = 19,698,169.61 × 7,747,652.32 - Step 4: Simplify right side
14,274,021.51x = 152,614,569,448,793.72 - Step 5: Solve for x
x = 152,614,569,448,793.72/14,274,021.51 - Step 6: Final answer
x = 10,691,771.02
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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.