Finding the Fourth Proportional to 7,381,978.12, 10,180,768.26 and 4,802,717.80
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Solution
The fourth proportional to 7,381,978.12, 10,180,768.26 and 4,802,717.80 is: 6,623,611.74
Step by Step Solution
- Step 1: Write the proportion equation
7,381,978.12 : 10,180,768.26 = 4,802,717.80 : x - Step 2: Convert to fraction form
7,381,978.12/10,180,768.26 = 4,802,717.80/x - Step 3: Cross multiply
7,381,978.12x = 10,180,768.26 × 4,802,717.80 - Step 4: Simplify right side
7,381,978.12x = 48,895,356,939,977.02 - Step 5: Solve for x
x = 48,895,356,939,977.02/7,381,978.12 - Step 6: Final answer
x = 6,623,611.74
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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.