Finding the Fourth Proportional to 8,162,421.36, 12,239,848.58 and 3,043,476.81
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Solution
The fourth proportional to 8,162,421.36, 12,239,848.58 and 3,043,476.81 is: 4,563,804.50
Step by Step Solution
- Step 1: Write the proportion equation
8,162,421.36 : 12,239,848.58 = 3,043,476.81 : x - Step 2: Convert to fraction form
8,162,421.36/12,239,848.58 = 3,043,476.81/x - Step 3: Cross multiply
8,162,421.36x = 12,239,848.58 × 3,043,476.81 - Step 4: Simplify right side
8,162,421.36x = 37,251,695,329,786.73 - Step 5: Solve for x
x = 37,251,695,329,786.73/8,162,421.36 - Step 6: Final answer
x = 4,563,804.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.