Finding the Fourth Proportional to 12,190,548.62, 18,283,024.71 and 7,267,973.18
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Solution
The fourth proportional to 12,190,548.62, 18,283,024.71 and 7,267,973.18 is: 10,900,291.48
Step by Step Solution
- Step 1: Write the proportion equation
12,190,548.62 : 18,283,024.71 = 7,267,973.18 : x - Step 2: Convert to fraction form
12,190,548.62/18,283,024.71 = 7,267,973.18/x - Step 3: Cross multiply
12,190,548.62x = 18,283,024.71 × 7,267,973.18 - Step 4: Simplify right side
12,190,548.62x = 132,880,533,150,142.16 - Step 5: Solve for x
x = 132,880,533,150,142.16/12,190,548.62 - Step 6: Final answer
x = 10,900,291.48
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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.