Finding the Fourth Proportional to 13,320,289.80, 19,968,187.50 and 4,798,542.24
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Solution
The fourth proportional to 13,320,289.80, 19,968,187.50 and 4,798,542.24 is: 7,193,401.39
Step by Step Solution
- Step 1: Write the proportion equation
13,320,289.80 : 19,968,187.50 = 4,798,542.24 : x - Step 2: Convert to fraction form
13,320,289.80/19,968,187.50 = 4,798,542.24/x - Step 3: Cross multiply
13,320,289.80x = 19,968,187.50 × 4,798,542.24 - Step 4: Simplify right side
13,320,289.80x = 95,818,191,174,990 - Step 5: Solve for x
x = 95,818,191,174,990/13,320,289.80 - Step 6: Final answer
x = 7,193,401.39
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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.