Finding the Fourth Proportional to 10,628,268.24, 14,674,069.48 and 8,176,553.76
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Solution
The fourth proportional to 10,628,268.24, 14,674,069.48 and 8,176,553.76 is: 11,289,075.06
Step by Step Solution
- Step 1: Write the proportion equation
10,628,268.24 : 14,674,069.48 = 8,176,553.76 : x - Step 2: Convert to fraction form
10,628,268.24/14,674,069.48 = 8,176,553.76/x - Step 3: Cross multiply
10,628,268.24x = 14,674,069.48 × 8,176,553.76 - Step 4: Simplify right side
10,628,268.24x = 119,983,317,925,570.38 - Step 5: Solve for x
x = 119,983,317,925,570.38/10,628,268.24 - Step 6: Final answer
x = 11,289,075.06
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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.