Finding the Fourth Proportional to 18,237,604.44, 25,167,802.50 and 9,977,517.12
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Solution
The fourth proportional to 18,237,604.44, 25,167,802.50 and 9,977,517.12 is: 13,768,923.50
Step by Step Solution
- Step 1: Write the proportion equation
18,237,604.44 : 25,167,802.50 = 9,977,517.12 : x - Step 2: Convert to fraction form
18,237,604.44/25,167,802.50 = 9,977,517.12/x - Step 3: Cross multiply
18,237,604.44x = 25,167,802.50 × 9,977,517.12 - Step 4: Simplify right side
18,237,604.44x = 251,112,180,316,528.78 - Step 5: Solve for x
x = 251,112,180,316,528.78/18,237,604.44 - Step 6: Final answer
x = 13,768,923.50
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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.