Finding the Fourth Proportional to 14,798,263.86, 20,415,934.71 and 8,994,928.14
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Solution
The fourth proportional to 14,798,263.86, 20,415,934.71 and 8,994,928.14 is: 12,409,554.75
Step by Step Solution
- Step 1: Write the proportion equation
14,798,263.86 : 20,415,934.71 = 8,994,928.14 : x - Step 2: Convert to fraction form
14,798,263.86/20,415,934.71 = 8,994,928.14/x - Step 3: Cross multiply
14,798,263.86x = 20,415,934.71 × 8,994,928.14 - Step 4: Simplify right side
14,798,263.86x = 183,639,865,627,381.75 - Step 5: Solve for x
x = 183,639,865,627,381.75/14,798,263.86 - Step 6: Final answer
x = 12,409,554.75
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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.