Finding the Fourth Proportional to 11,132,587.20, 16,704,410.40 and 4,401,220.80
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Solution
The fourth proportional to 11,132,587.20, 16,704,410.40 and 4,401,220.80 is: 6,604,017.30
Step by Step Solution
- Step 1: Write the proportion equation
11,132,587.20 : 16,704,410.40 = 4,401,220.80 : x - Step 2: Convert to fraction form
11,132,587.20/16,704,410.40 = 4,401,220.80/x - Step 3: Cross multiply
11,132,587.20x = 16,704,410.40 × 4,401,220.80 - Step 4: Simplify right side
11,132,587.20x = 73,519,798,504,216.31 - Step 5: Solve for x
x = 73,519,798,504,216.31/11,132,587.20 - Step 6: Final answer
x = 6,604,017.30
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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.