Finding the Fourth Proportional to 13,917,035.84, 20,867,161.14 and 6,239,290.05
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Solution
The fourth proportional to 13,917,035.84, 20,867,161.14 and 6,239,290.05 is: 9,355,172.50
Step by Step Solution
- Step 1: Write the proportion equation
13,917,035.84 : 20,867,161.14 = 6,239,290.05 : x - Step 2: Convert to fraction form
13,917,035.84/20,867,161.14 = 6,239,290.05/x - Step 3: Cross multiply
13,917,035.84x = 20,867,161.14 × 6,239,290.05 - Step 4: Simplify right side
13,917,035.84x = 130,196,270,872,548.66 - Step 5: Solve for x
x = 130,196,270,872,548.66/13,917,035.84 - Step 6: Final answer
x = 9,355,172.50
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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.