Finding the Fourth Proportional to 14,482,953.80, 21,724,430.70 and 7,764,489.80
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Solution
The fourth proportional to 14,482,953.80, 21,724,430.70 and 7,764,489.80 is: 11,646,734.70
Step by Step Solution
- Step 1: Write the proportion equation
14,482,953.80 : 21,724,430.70 = 7,764,489.80 : x - Step 2: Convert to fraction form
14,482,953.80/21,724,430.70 = 7,764,489.80/x - Step 3: Cross multiply
14,482,953.80x = 21,724,430.70 × 7,764,489.80 - Step 4: Simplify right side
14,482,953.80x = 168,679,120,580,956.84 - Step 5: Solve for x
x = 168,679,120,580,956.84/14,482,953.80 - Step 6: Final answer
x = 11,646,734.70
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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.