Finding the Fourth Proportional to 8,620,757.19, 12,916,502.61 and 5,201,860.18
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Solution
The fourth proportional to 8,620,757.19, 12,916,502.61 and 5,201,860.18 is: 7,793,960.45
Step by Step Solution
- Step 1: Write the proportion equation
8,620,757.19 : 12,916,502.61 = 5,201,860.18 : x - Step 2: Convert to fraction form
8,620,757.19/12,916,502.61 = 5,201,860.18/x - Step 3: Cross multiply
8,620,757.19x = 12,916,502.61 × 5,201,860.18 - Step 4: Simplify right side
8,620,757.19x = 67,189,840,565,815.77 - Step 5: Solve for x
x = 67,189,840,565,815.77/8,620,757.19 - Step 6: Final answer
x = 7,793,960.45
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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.