Finding the Fourth Proportional to 7,378,967.16, 11,064,907.80 and 4,183,235.28
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Solution
The fourth proportional to 7,378,967.16, 11,064,907.80 and 4,183,235.28 is: 6,272,844.38
Step by Step Solution
- Step 1: Write the proportion equation
7,378,967.16 : 11,064,907.80 = 4,183,235.28 : x - Step 2: Convert to fraction form
7,378,967.16/11,064,907.80 = 4,183,235.28/x - Step 3: Cross multiply
7,378,967.16x = 11,064,907.80 × 4,183,235.28 - Step 4: Simplify right side
7,378,967.16x = 46,287,112,678,907.19 - Step 5: Solve for x
x = 46,287,112,678,907.19/7,378,967.16 - Step 6: Final answer
x = 6,272,844.38
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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.