Finding the Fourth Proportional to 10,881,317.00, 15,016,216.95 and 5,986,434.09
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Solution
The fourth proportional to 10,881,317.00, 15,016,216.95 and 5,986,434.09 is: 8,261,278.77
Step by Step Solution
- Step 1: Write the proportion equation
10,881,317.00 : 15,016,216.95 = 5,986,434.09 : x - Step 2: Convert to fraction form
10,881,317.00/15,016,216.95 = 5,986,434.09/x - Step 3: Cross multiply
10,881,317.00x = 15,016,216.95 × 5,986,434.09 - Step 4: Simplify right side
10,881,317.00x = 89,893,593,052,315.81 - Step 5: Solve for x
x = 89,893,593,052,315.81/10,881,317.00 - Step 6: Final answer
x = 8,261,278.77
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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.