Finding the Fourth Proportional to 10,318,527.95, 14,239,749.64 and 5,672,508.81
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Solution
The fourth proportional to 10,318,527.95, 14,239,749.64 and 5,672,508.81 is: 7,828,161.70
Step by Step Solution
- Step 1: Write the proportion equation
10,318,527.95 : 14,239,749.64 = 5,672,508.81 : x - Step 2: Convert to fraction form
10,318,527.95/14,239,749.64 = 5,672,508.81/x - Step 3: Cross multiply
10,318,527.95x = 14,239,749.64 × 5,672,508.81 - Step 4: Simplify right side
10,318,527.95x = 80,775,105,285,094.33 - Step 5: Solve for x
x = 80,775,105,285,094.33/10,318,527.95 - Step 6: Final answer
x = 7,828,161.70
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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.