Finding the Fourth Proportional to 21,692,534.96, 32,538,993.12 and 5,518,503.36
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Solution
The fourth proportional to 21,692,534.96, 32,538,993.12 and 5,518,503.36 is: 8,277,803.55
Step by Step Solution
- Step 1: Write the proportion equation
21,692,534.96 : 32,538,993.12 = 5,518,503.36 : x - Step 2: Convert to fraction form
21,692,534.96/32,538,993.12 = 5,518,503.36/x - Step 3: Cross multiply
21,692,534.96x = 32,538,993.12 × 5,518,503.36 - Step 4: Simplify right side
21,692,534.96x = 179,566,542,863,736.91 - Step 5: Solve for x
x = 179,566,542,863,736.91/21,692,534.96 - Step 6: Final answer
x = 8,277,803.55
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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.