Finding the Fourth Proportional to 18,323,036.87, 27,484,539.64 and 4,676,182.18
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Solution
The fourth proportional to 18,323,036.87, 27,484,539.64 and 4,676,182.18 is: 7,014,269.27
Step by Step Solution
- Step 1: Write the proportion equation
18,323,036.87 : 27,484,539.64 = 4,676,182.18 : x - Step 2: Convert to fraction form
18,323,036.87/27,484,539.64 = 4,676,182.18/x - Step 3: Cross multiply
18,323,036.87x = 27,484,539.64 × 4,676,182.18 - Step 4: Simplify right side
18,323,036.87x = 128,522,714,409,669.81 - Step 5: Solve for x
x = 128,522,714,409,669.81/18,323,036.87 - Step 6: Final answer
x = 7,014,269.27
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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.