Finding the Fourth Proportional to 8,565,189.09, 12,842,651.40 and 2,726,851.65
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Solution
The fourth proportional to 8,565,189.09, 12,842,651.40 and 2,726,851.65 is: 4,088,643.55
Step by Step Solution
- Step 1: Write the proportion equation
8,565,189.09 : 12,842,651.40 = 2,726,851.65 : x - Step 2: Convert to fraction form
8,565,189.09/12,842,651.40 = 2,726,851.65/x - Step 3: Cross multiply
8,565,189.09x = 12,842,651.40 × 2,726,851.65 - Step 4: Simplify right side
8,565,189.09x = 35,020,005,160,464.81 - Step 5: Solve for x
x = 35,020,005,160,464.81/8,565,189.09 - Step 6: Final answer
x = 4,088,643.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.