Finding the Fourth Proportional to 12,177,644.55, 16,805,169.32 and 6,670,898.53
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Solution
The fourth proportional to 12,177,644.55, 16,805,169.32 and 6,670,898.53 is: 9,205,850.84
Step by Step Solution
- Step 1: Write the proportion equation
12,177,644.55 : 16,805,169.32 = 6,670,898.53 : x - Step 2: Convert to fraction form
12,177,644.55/16,805,169.32 = 6,670,898.53/x - Step 3: Cross multiply
12,177,644.55x = 16,805,169.32 × 6,670,898.53 - Step 4: Simplify right side
12,177,644.55x = 112,105,579,275,345.48 - Step 5: Solve for x
x = 112,105,579,275,345.48/12,177,644.55 - Step 6: Final answer
x = 9,205,850.84
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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.