Finding the Fourth Proportional to 21,817,454.37, 32,719,059.63 and 7,240,458.66
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Solution
The fourth proportional to 21,817,454.37, 32,719,059.63 and 7,240,458.66 is: 10,858,324.47
Step by Step Solution
- Step 1: Write the proportion equation
21,817,454.37 : 32,719,059.63 = 7,240,458.66 : x - Step 2: Convert to fraction form
21,817,454.37/32,719,059.63 = 7,240,458.66/x - Step 3: Cross multiply
21,817,454.37x = 32,719,059.63 × 7,240,458.66 - Step 4: Simplify right side
21,817,454.37x = 236,900,998,645,089.91 - Step 5: Solve for x
x = 236,900,998,645,089.91/21,817,454.37 - Step 6: Final answer
x = 10,858,324.47
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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.