Finding the Fourth Proportional to 13,375,974.99, 18,458,953.91 and 7,264,447.23
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Solution
The fourth proportional to 13,375,974.99, 18,458,953.91 and 7,264,447.23 is: 10,024,996.06
Step by Step Solution
- Step 1: Write the proportion equation
13,375,974.99 : 18,458,953.91 = 7,264,447.23 : x - Step 2: Convert to fraction form
13,375,974.99/18,458,953.91 = 7,264,447.23/x - Step 3: Cross multiply
13,375,974.99x = 18,458,953.91 × 7,264,447.23 - Step 4: Simplify right side
13,375,974.99x = 134,094,096,563,874.95 - Step 5: Solve for x
x = 134,094,096,563,874.95/13,375,974.99 - Step 6: Final answer
x = 10,024,996.06
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.