Finding the Fourth Proportional to 40,860,121.41, 61,291,315.71 and 10,153,460.43
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Solution
The fourth proportional to 40,860,121.41, 61,291,315.71 and 10,153,460.43 is: 15,230,472.34
Step by Step Solution
- Step 1: Write the proportion equation
40,860,121.41 : 61,291,315.71 = 10,153,460.43 : x - Step 2: Convert to fraction form
40,860,121.41/61,291,315.71 = 10,153,460.43/x - Step 3: Cross multiply
40,860,121.41x = 61,291,315.71 × 10,153,460.43 - Step 4: Simplify right side
40,860,121.41x = 622,318,948,764,122.38 - Step 5: Solve for x
x = 622,318,948,764,122.38/40,860,121.41 - Step 6: Final answer
x = 15,230,472.34
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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.