Finding the Fourth Proportional to 10,124,274.42, 15,187,591.26 and 3,556,965.06
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Solution
The fourth proportional to 10,124,274.42, 15,187,591.26 and 3,556,965.06 is: 5,335,862.03
Step by Step Solution
- Step 1: Write the proportion equation
10,124,274.42 : 15,187,591.26 = 3,556,965.06 : x - Step 2: Convert to fraction form
10,124,274.42/15,187,591.26 = 3,556,965.06/x - Step 3: Cross multiply
10,124,274.42x = 15,187,591.26 × 3,556,965.06 - Step 4: Simplify right side
10,124,274.42x = 54,021,731,457,381.38 - Step 5: Solve for x
x = 54,021,731,457,381.38/10,124,274.42 - Step 6: Final answer
x = 5,335,862.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.