Finding the Fourth Proportional to 9,631,809.20, 14,447,713.80 and 3,956,106.80
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Solution
The fourth proportional to 9,631,809.20, 14,447,713.80 and 3,956,106.80 is: 5,934,160.20
Step by Step Solution
- Step 1: Write the proportion equation
9,631,809.20 : 14,447,713.80 = 3,956,106.80 : x - Step 2: Convert to fraction form
9,631,809.20/14,447,713.80 = 3,956,106.80/x - Step 3: Cross multiply
9,631,809.20x = 14,447,713.80 × 3,956,106.80 - Step 4: Simplify right side
9,631,809.20x = 57,156,698,808,633.84 - Step 5: Solve for x
x = 57,156,698,808,633.84/9,631,809.20 - Step 6: Final answer
x = 5,934,160.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.