Finding the Fourth Proportional to 13,718,718.74, 20,560,139.26 and 5,622,215.12
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Solution
The fourth proportional to 13,718,718.74, 20,560,139.26 and 5,622,215.12 is: 8,425,970.97
Step by Step Solution
- Step 1: Write the proportion equation
13,718,718.74 : 20,560,139.26 = 5,622,215.12 : x - Step 2: Convert to fraction form
13,718,718.74/20,560,139.26 = 5,622,215.12/x - Step 3: Cross multiply
13,718,718.74x = 20,560,139.26 × 5,622,215.12 - Step 4: Simplify right side
13,718,718.74x = 115,593,525,816,877.62 - Step 5: Solve for x
x = 115,593,525,816,877.62/13,718,718.74 - Step 6: Final answer
x = 8,425,970.97
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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.