Finding the Fourth Proportional to 8,256,030.90, 11,393,474.70 and 4,585,289.91
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Solution
The fourth proportional to 8,256,030.90, 11,393,474.70 and 4,585,289.91 is: 6,327,784.53
Step by Step Solution
- Step 1: Write the proportion equation
8,256,030.90 : 11,393,474.70 = 4,585,289.91 : x - Step 2: Convert to fraction form
8,256,030.90/11,393,474.70 = 4,585,289.91/x - Step 3: Cross multiply
8,256,030.90x = 11,393,474.70 × 4,585,289.91 - Step 4: Simplify right side
8,256,030.90x = 52,242,384,581,750.27 - Step 5: Solve for x
x = 52,242,384,581,750.27/8,256,030.90 - Step 6: Final answer
x = 6,327,784.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.