Finding the Fourth Proportional to 13,321,803.97, 19,982,693.08 and 5,014,158.63
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Solution
The fourth proportional to 13,321,803.97, 19,982,693.08 and 5,014,158.63 is: 7,521,233.10
Step by Step Solution
- Step 1: Write the proportion equation
13,321,803.97 : 19,982,693.08 = 5,014,158.63 : x - Step 2: Convert to fraction form
13,321,803.97/19,982,693.08 = 5,014,158.63/x - Step 3: Cross multiply
13,321,803.97x = 19,982,693.08 × 5,014,158.63 - Step 4: Simplify right side
13,321,803.97x = 100,196,392,957,723.27 - Step 5: Solve for x
x = 100,196,392,957,723.27/13,321,803.97 - Step 6: Final answer
x = 7,521,233.10
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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.