Finding the Fourth Proportional to 6,915,969.08, 10,374,451.88 and 2,656,137.31
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Solution
The fourth proportional to 6,915,969.08, 10,374,451.88 and 2,656,137.31 is: 3,984,397.32
Step by Step Solution
- Step 1: Write the proportion equation
6,915,969.08 : 10,374,451.88 = 2,656,137.31 : x - Step 2: Convert to fraction form
6,915,969.08/10,374,451.88 = 2,656,137.31/x - Step 3: Cross multiply
6,915,969.08x = 10,374,451.88 × 2,656,137.31 - Step 4: Simplify right side
6,915,969.08x = 27,555,968,670,050.83 - Step 5: Solve for x
x = 27,555,968,670,050.83/6,915,969.08 - Step 6: Final answer
x = 3,984,397.32
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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.