Finding the Fourth Proportional to 7,475,455.80, 10,316,224.62 and 4,419,643.32
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Solution
The fourth proportional to 7,475,455.80, 10,316,224.62 and 4,419,643.32 is: 6,099,164.31
Step by Step Solution
- Step 1: Write the proportion equation
7,475,455.80 : 10,316,224.62 = 4,419,643.32 : x - Step 2: Convert to fraction form
7,475,455.80/10,316,224.62 = 4,419,643.32/x - Step 3: Cross multiply
7,475,455.80x = 10,316,224.62 × 4,419,643.32 - Step 4: Simplify right side
7,475,455.80x = 45,594,033,229,402.54 - Step 5: Solve for x
x = 45,594,033,229,402.54/7,475,455.80 - Step 6: Final answer
x = 6,099,164.31
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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.