Finding the Fourth Proportional to 13,376,585.82, 20,038,757.07 and 6,355,709.57
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Solution
The fourth proportional to 13,376,585.82, 20,038,757.07 and 6,355,709.57 is: 9,521,152.99
Step by Step Solution
- Step 1: Write the proportion equation
13,376,585.82 : 20,038,757.07 = 6,355,709.57 : x - Step 2: Convert to fraction form
13,376,585.82/20,038,757.07 = 6,355,709.57/x - Step 3: Cross multiply
13,376,585.82x = 20,038,757.07 × 6,355,709.57 - Step 4: Simplify right side
13,376,585.82x = 127,360,520,080,704.17 - Step 5: Solve for x
x = 127,360,520,080,704.17/13,376,585.82 - Step 6: Final answer
x = 9,521,152.99
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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.