Finding the Fourth Proportional to 7,972,754.01, 11,005,801.41 and 5,360,772.09
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Solution
The fourth proportional to 7,972,754.01, 11,005,801.41 and 5,360,772.09 is: 7,400,152.19
Step by Step Solution
- Step 1: Write the proportion equation
7,972,754.01 : 11,005,801.41 = 5,360,772.09 : x - Step 2: Convert to fraction form
7,972,754.01/11,005,801.41 = 5,360,772.09/x - Step 3: Cross multiply
7,972,754.01x = 11,005,801.41 × 5,360,772.09 - Step 4: Simplify right side
7,972,754.01x = 58,999,593,026,810.65 - Step 5: Solve for x
x = 58,999,593,026,810.65/7,972,754.01 - Step 6: Final answer
x = 7,400,152.19
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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.