Finding the Fourth Proportional to 8,497,315.68, 12,751,860.06 and 3,379,221.06
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Solution
The fourth proportional to 8,497,315.68, 12,751,860.06 and 3,379,221.06 is: 5,071,172.56
Step by Step Solution
- Step 1: Write the proportion equation
8,497,315.68 : 12,751,860.06 = 3,379,221.06 : x - Step 2: Convert to fraction form
8,497,315.68/12,751,860.06 = 3,379,221.06/x - Step 3: Cross multiply
8,497,315.68x = 12,751,860.06 × 3,379,221.06 - Step 4: Simplify right side
8,497,315.68x = 43,091,354,068,924.87 - Step 5: Solve for x
x = 43,091,354,068,924.87/8,497,315.68 - Step 6: Final answer
x = 5,071,172.56
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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.