Finding the Fourth Proportional to 11,905,191.24, 16,432,140.24 and 7,318,855.68
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Solution
The fourth proportional to 11,905,191.24, 16,432,140.24 and 7,318,855.68 is: 10,101,850.57
Step by Step Solution
- Step 1: Write the proportion equation
11,905,191.24 : 16,432,140.24 = 7,318,855.68 : x - Step 2: Convert to fraction form
11,905,191.24/16,432,140.24 = 7,318,855.68/x - Step 3: Cross multiply
11,905,191.24x = 16,432,140.24 × 7,318,855.68 - Step 4: Simplify right side
11,905,191.24x = 120,264,462,930,080.56 - Step 5: Solve for x
x = 120,264,462,930,080.56/11,905,191.24 - Step 6: Final answer
x = 10,101,850.57
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.