Finding the Fourth Proportional to 18,237,605.44, 25,167,803.88 and 9,977,518.12
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Solution
The fourth proportional to 18,237,605.44, 25,167,803.88 and 9,977,518.12 is: 13,768,924.88
Step by Step Solution
- Step 1: Write the proportion equation
18,237,605.44 : 25,167,803.88 = 9,977,518.12 : x - Step 2: Convert to fraction form
18,237,605.44/25,167,803.88 = 9,977,518.12/x - Step 3: Cross multiply
18,237,605.44x = 25,167,803.88 × 9,977,518.12 - Step 4: Simplify right side
18,237,605.44x = 251,112,219,253,306.28 - Step 5: Solve for x
x = 251,112,219,253,306.28/18,237,605.44 - Step 6: Final answer
x = 13,768,924.88
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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.