Finding the Fourth Proportional to 8,972,801.81, 12,382,403.50 and 4,898,420.81
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Solution
The fourth proportional to 8,972,801.81, 12,382,403.50 and 4,898,420.81 is: 6,759,786.33
Step by Step Solution
- Step 1: Write the proportion equation
8,972,801.81 : 12,382,403.50 = 4,898,420.81 : x - Step 2: Convert to fraction form
8,972,801.81/12,382,403.50 = 4,898,420.81/x - Step 3: Cross multiply
8,972,801.81x = 12,382,403.50 × 4,898,420.81 - Step 4: Simplify right side
8,972,801.81x = 60,654,222,982,216.83 - Step 5: Solve for x
x = 60,654,222,982,216.83/8,972,801.81 - Step 6: Final answer
x = 6,759,786.33
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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.