Finding the Fourth Proportional to 14,846,299.71, 20,438,575.86 and 13,315,749.63
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Solution
The fourth proportional to 14,846,299.71, 20,438,575.86 and 13,315,749.63 is: 18,331,501.07
Step by Step Solution
- Step 1: Write the proportion equation
14,846,299.71 : 20,438,575.86 = 13,315,749.63 : x - Step 2: Convert to fraction form
14,846,299.71/20,438,575.86 = 13,315,749.63/x - Step 3: Cross multiply
14,846,299.71x = 20,438,575.86 × 13,315,749.63 - Step 4: Simplify right side
14,846,299.71x = 272,154,958,945,521.94 - Step 5: Solve for x
x = 272,154,958,945,521.94/14,846,299.71 - Step 6: Final answer
x = 18,331,501.07
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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.