Finding the Fourth Proportional to 11,202,990.40, 16,806,559.20 and 3,630,203.20
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Solution
The fourth proportional to 11,202,990.40, 16,806,559.20 and 3,630,203.20 is: 5,445,976.73
Step by Step Solution
- Step 1: Write the proportion equation
11,202,990.40 : 16,806,559.20 = 3,630,203.20 : x - Step 2: Convert to fraction form
11,202,990.40/16,806,559.20 = 3,630,203.20/x - Step 3: Cross multiply
11,202,990.40x = 16,806,559.20 × 3,630,203.20 - Step 4: Simplify right side
11,202,990.40x = 61,011,224,988,829.44 - Step 5: Solve for x
x = 61,011,224,988,829.44/11,202,990.40 - Step 6: Final answer
x = 5,445,976.73
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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.