Finding the Fourth Proportional to 13,378,475.94, 20,070,704.28 and 4,281,119.76
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Solution
The fourth proportional to 13,378,475.94, 20,070,704.28 and 4,281,119.76 is: 6,422,636.56
Step by Step Solution
- Step 1: Write the proportion equation
13,378,475.94 : 20,070,704.28 = 4,281,119.76 : x - Step 2: Convert to fraction form
13,378,475.94/20,070,704.28 = 4,281,119.76/x - Step 3: Cross multiply
13,378,475.94x = 20,070,704.28 × 4,281,119.76 - Step 4: Simplify right side
13,378,475.94x = 85,925,088,690,224.58 - Step 5: Solve for x
x = 85,925,088,690,224.58/13,378,475.94 - Step 6: Final answer
x = 6,422,636.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.