Finding the Fourth Proportional to 60,811,962.12, 91,229,679.20 and 19,860,391.94
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Solution
The fourth proportional to 60,811,962.12, 91,229,679.20 and 19,860,391.94 is: 29,794,420.73
Step by Step Solution
- Step 1: Write the proportion equation
60,811,962.12 : 91,229,679.20 = 19,860,391.94 : x - Step 2: Convert to fraction form
60,811,962.12/91,229,679.20 = 19,860,391.94/x - Step 3: Cross multiply
60,811,962.12x = 91,229,679.20 × 19,860,391.94 - Step 4: Simplify right side
60,811,962.12x = 1,811,857,184,917,015 - Step 5: Solve for x
x = 1,811,857,184,917,015/60,811,962.12 - Step 6: Final answer
x = 29,794,420.73
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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.