Finding the Fourth Proportional to 10,732,742.28, 14,819,497.83 and 8,248,027.23
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Solution
The fourth proportional to 10,732,742.28, 14,819,497.83 and 8,248,027.23 is: 11,388,666.42
Step by Step Solution
- Step 1: Write the proportion equation
10,732,742.28 : 14,819,497.83 = 8,248,027.23 : x - Step 2: Convert to fraction form
10,732,742.28/14,819,497.83 = 8,248,027.23/x - Step 3: Cross multiply
10,732,742.28x = 14,819,497.83 × 8,248,027.23 - Step 4: Simplify right side
10,732,742.28x = 122,231,621,636,765.92 - Step 5: Solve for x
x = 122,231,621,636,765.92/10,732,742.28 - Step 6: Final answer
x = 11,388,666.42
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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.