Finding the Fourth Proportional to 8,972,803.81, 12,382,406.26 and 4,898,422.81
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Solution
The fourth proportional to 8,972,803.81, 12,382,406.26 and 4,898,422.81 is: 6,759,789.09
Step by Step Solution
- Step 1: Write the proportion equation
8,972,803.81 : 12,382,406.26 = 4,898,422.81 : x - Step 2: Convert to fraction form
8,972,803.81/12,382,406.26 = 4,898,422.81/x - Step 3: Cross multiply
8,972,803.81x = 12,382,406.26 × 4,898,422.81 - Step 4: Simplify right side
8,972,803.81x = 60,654,261,266,670.78 - Step 5: Solve for x
x = 60,654,261,266,670.78/8,972,803.81 - Step 6: Final answer
x = 6,759,789.09
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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.