Finding the Fourth Proportional to 14,894,430, 20,554,585.62 and 8,279,639.52
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Solution
The fourth proportional to 14,894,430, 20,554,585.62 and 8,279,639.52 is: 11,426,053.86
Step by Step Solution
- Step 1: Write the proportion equation
14,894,430 : 20,554,585.62 = 8,279,639.52 : x - Step 2: Convert to fraction form
14,894,430/20,554,585.62 = 8,279,639.52/x - Step 3: Cross multiply
14,894,430x = 20,554,585.62 × 8,279,639.52 - Step 4: Simplify right side
14,894,430x = 170,184,559,416,575.69 - Step 5: Solve for x
x = 170,184,559,416,575.69/14,894,430 - Step 6: Final answer
x = 11,426,053.86
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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.