Finding the Fourth Proportional to 8,251,110.36, 12,379,199.49 and 3,938,663.48
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Solution
The fourth proportional to 8,251,110.36, 12,379,199.49 and 3,938,663.48 is: 5,909,204.79
Step by Step Solution
- Step 1: Write the proportion equation
8,251,110.36 : 12,379,199.49 = 3,938,663.48 : x - Step 2: Convert to fraction form
8,251,110.36/12,379,199.49 = 3,938,663.48/x - Step 3: Cross multiply
8,251,110.36x = 12,379,199.49 × 3,938,663.48 - Step 4: Simplify right side
8,251,110.36x = 48,757,500,881,001.63 - Step 5: Solve for x
x = 48,757,500,881,001.63/8,251,110.36 - Step 6: Final answer
x = 5,909,204.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.