Finding the Fourth Proportional to 14,327,318.50, 19,771,502.07 and 7,800,947.98
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Solution
The fourth proportional to 14,327,318.50, 19,771,502.07 and 7,800,947.98 is: 10,765,200.70
Step by Step Solution
- Step 1: Write the proportion equation
14,327,318.50 : 19,771,502.07 = 7,800,947.98 : x - Step 2: Convert to fraction form
14,327,318.50/19,771,502.07 = 7,800,947.98/x - Step 3: Cross multiply
14,327,318.50x = 19,771,502.07 × 7,800,947.98 - Step 4: Simplify right side
14,327,318.50x = 154,236,459,134,532.34 - Step 5: Solve for x
x = 154,236,459,134,532.34/14,327,318.50 - Step 6: Final answer
x = 10,765,200.70
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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.