Finding the Fourth Proportional to 14,986,235.39, 20,681,065.40 and 8,110,715.63
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Solution
The fourth proportional to 14,986,235.39, 20,681,065.40 and 8,110,715.63 is: 11,192,820.34
Step by Step Solution
- Step 1: Write the proportion equation
14,986,235.39 : 20,681,065.40 = 8,110,715.63 : x - Step 2: Convert to fraction form
14,986,235.39/20,681,065.40 = 8,110,715.63/x - Step 3: Cross multiply
14,986,235.39x = 20,681,065.40 × 8,110,715.63 - Step 4: Simplify right side
14,986,235.39x = 167,738,240,240,873.28 - Step 5: Solve for x
x = 167,738,240,240,873.28/14,986,235.39 - Step 6: Final answer
x = 11,192,820.34
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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.