Finding the Fourth Proportional to 11,813,565.12, 16,302,726.12 and 6,381,057.12
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Solution
The fourth proportional to 11,813,565.12, 16,302,726.12 and 6,381,057.12 is: 8,805,862.20
Step by Step Solution
- Step 1: Write the proportion equation
11,813,565.12 : 16,302,726.12 = 6,381,057.12 : x - Step 2: Convert to fraction form
11,813,565.12/16,302,726.12 = 6,381,057.12/x - Step 3: Cross multiply
11,813,565.12x = 16,302,726.12 × 6,381,057.12 - Step 4: Simplify right side
11,813,565.12x = 104,028,626,583,435.97 - Step 5: Solve for x
x = 104,028,626,583,435.97/11,813,565.12 - Step 6: Final answer
x = 8,805,862.20
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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.