Finding the Fourth Proportional to 13,527,990.64, 20,291,690.35 and 3,292,904.45
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Solution
The fourth proportional to 13,527,990.64, 20,291,690.35 and 3,292,904.45 is: 4,939,284.72
Step by Step Solution
- Step 1: Write the proportion equation
13,527,990.64 : 20,291,690.35 = 3,292,904.45 : x - Step 2: Convert to fraction form
13,527,990.64/20,291,690.35 = 3,292,904.45/x - Step 3: Cross multiply
13,527,990.64x = 20,291,690.35 × 3,292,904.45 - Step 4: Simplify right side
13,527,990.64x = 66,818,597,451,537.06 - Step 5: Solve for x
x = 66,818,597,451,537.06/13,527,990.64 - Step 6: Final answer
x = 4,939,284.72
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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.