Finding the Fourth Proportional to 8,742,216.75, 13,113,356.91 and 2,676,923.88
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Solution
The fourth proportional to 8,742,216.75, 13,113,356.91 and 2,676,923.88 is: 4,015,395.55
Step by Step Solution
- Step 1: Write the proportion equation
8,742,216.75 : 13,113,356.91 = 2,676,923.88 : x - Step 2: Convert to fraction form
8,742,216.75/13,113,356.91 = 2,676,923.88/x - Step 3: Cross multiply
8,742,216.75x = 13,113,356.91 × 2,676,923.88 - Step 4: Simplify right side
8,742,216.75x = 35,103,458,259,213.54 - Step 5: Solve for x
x = 35,103,458,259,213.54/8,742,216.75 - Step 6: Final answer
x = 4,015,395.55
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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.