Finding the Fourth Proportional to 10,318,526.95, 14,239,748.26 and 5,672,507.81
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Solution
The fourth proportional to 10,318,526.95, 14,239,748.26 and 5,672,507.81 is: 7,828,160.32
Step by Step Solution
- Step 1: Write the proportion equation
10,318,526.95 : 14,239,748.26 = 5,672,507.81 : x - Step 2: Convert to fraction form
10,318,526.95/14,239,748.26 = 5,672,507.81/x - Step 3: Cross multiply
10,318,526.95x = 14,239,748.26 × 5,672,507.81 - Step 4: Simplify right side
10,318,526.95x = 80,775,083,233,274.39 - Step 5: Solve for x
x = 80,775,083,233,274.39/10,318,526.95 - Step 6: Final answer
x = 7,828,160.32
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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.