Finding the Fourth Proportional to 7,368,351.12, 11,052,008.56 and 2,756,457.48
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Solution
The fourth proportional to 7,368,351.12, 11,052,008.56 and 2,756,457.48 is: 4,134,492.39
Step by Step Solution
- Step 1: Write the proportion equation
7,368,351.12 : 11,052,008.56 = 2,756,457.48 : x - Step 2: Convert to fraction form
7,368,351.12/11,052,008.56 = 2,756,457.48/x - Step 3: Cross multiply
7,368,351.12x = 11,052,008.56 × 2,756,457.48 - Step 4: Simplify right side
7,368,351.12x = 30,464,391,664,236.03 - Step 5: Solve for x
x = 30,464,391,664,236.03/7,368,351.12 - Step 6: Final answer
x = 4,134,492.39
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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.