Finding the Fourth Proportional to 13,620,595.77, 20,424,745.35 and 3,902,986.08
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Solution
The fourth proportional to 13,620,595.77, 20,424,745.35 and 3,902,986.08 is: 5,852,717.32
Step by Step Solution
- Step 1: Write the proportion equation
13,620,595.77 : 20,424,745.35 = 3,902,986.08 : x - Step 2: Convert to fraction form
13,620,595.77/20,424,745.35 = 3,902,986.08/x - Step 3: Cross multiply
13,620,595.77x = 20,424,745.35 × 3,902,986.08 - Step 4: Simplify right side
13,620,595.77x = 79,717,496,788,594.73 - Step 5: Solve for x
x = 79,717,496,788,594.73/13,620,595.77 - Step 6: Final answer
x = 5,852,717.32
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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.