Finding the Fourth Proportional to 18,570,169.20, 27,831,634.20 and 8,964,865.20
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Solution
The fourth proportional to 18,570,169.20, 27,831,634.20 and 8,964,865.20 is: 13,435,895.29
Step by Step Solution
- Step 1: Write the proportion equation
18,570,169.20 : 27,831,634.20 = 8,964,865.20 : x - Step 2: Convert to fraction form
18,570,169.20/27,831,634.20 = 8,964,865.20/x - Step 3: Cross multiply
18,570,169.20x = 27,831,634.20 × 8,964,865.20 - Step 4: Simplify right side
18,570,169.20x = 249,506,848,898,709.81 - Step 5: Solve for x
x = 249,506,848,898,709.81/18,570,169.20 - Step 6: Final answer
x = 13,435,895.29
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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.