Finding the Fourth Proportional to 8,713,726.65, 12,027,475.12 and 5,813,110.37
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Solution
The fourth proportional to 8,713,726.65, 12,027,475.12 and 5,813,110.37 is: 8,023,781.69
Step by Step Solution
- Step 1: Write the proportion equation
8,713,726.65 : 12,027,475.12 = 5,813,110.37 : x - Step 2: Convert to fraction form
8,713,726.65/12,027,475.12 = 5,813,110.37/x - Step 3: Cross multiply
8,713,726.65x = 12,027,475.12 × 5,813,110.37 - Step 4: Simplify right side
8,713,726.65x = 69,917,040,344,988.99 - Step 5: Solve for x
x = 69,917,040,344,988.99/8,713,726.65 - Step 6: Final answer
x = 8,023,781.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.