Finding the Fourth Proportional to 16,386,986.63, 24,581,660.94 and 6,289,607.63
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Solution
The fourth proportional to 16,386,986.63, 24,581,660.94 and 6,289,607.63 is: 9,434,864.73
Step by Step Solution
- Step 1: Write the proportion equation
16,386,986.63 : 24,581,660.94 = 6,289,607.63 : x - Step 2: Convert to fraction form
16,386,986.63/24,581,660.94 = 6,289,607.63/x - Step 3: Cross multiply
16,386,986.63x = 24,581,660.94 × 6,289,607.63 - Step 4: Simplify right side
16,386,986.63x = 154,609,002,083,388.69 - Step 5: Solve for x
x = 154,609,002,083,388.69/16,386,986.63 - Step 6: Final answer
x = 9,434,864.73
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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.